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  • Scat 935060L 383 Chevy Cast Steel Crankshaft, 1-Piece Main, 6.0 Rod
    Scat 935060L 383 Chevy Cast Steel Crankshaft, 1-Piece Main, 6.0 Rod
    x
                

    Scat's hi-tech, fatigue resistant 9000 material cast steel cranks have near forged steel endurance at a value price! A perfect way to increase cubic inches on mild to moderate street or race engines.

    • For 1-piece rear main seal blocks
    • Aero-wing counterweights increase horsepower by reducing windage
    • Straight shot oil holes
    • Lightening holes in all rod throws
    • Precision ground and micro polished
  • Scat 935050L 383 Chevy Cast Steel Crankshaft, 1-Piece Main, 5.7 Rod
    Scat 935050L 383 Chevy Cast Steel Crankshaft, 1-Piece Main, 5.7 Rod
    x
                

    Scat's hi-tech, fatigue resistant 9000 material cast steel cranks have near forged steel endurance at a value price! A perfect way to increase cubic inches on mild to moderate street or race engines.

    • For 1-piece rear main seal blocks
    • Aero-wing counterweights increase horsepower by reducing windage
    • Straight shot oil holes
    • Lightening holes in all rod throws
    • Precision ground and micro polished
  • Moroso 21324 Circle Track Oil Pan w/ One Piece Rear Main Seal & Plug
    Moroso 21324 Circle Track Oil Pan w/ One Piece Rear Main Seal & Plug
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    Now you can have a Moroso oil pan for an affordable price. It features trap doors for oil control, removable windage tray, built-in crank scraper and accepts up to 3.800" stroke with steel rods. It's 7-1/2" deep, 11" wide and fits 78-87 Metric chassis and Camaro stubs. Fits small block Chevy.

    • Cost-effective Circle Track oil pan with Moroso quality and performance
    • Trap door baffles for oil control
    • Removable louvered windage tray
    • Built–in crankscraper
    • Accepts 3.80" stroke with steel rods
    • Accepts most starter and flywheel combinations
    • Will not fit engine blocks with splayed main caps
    • Accepts most starter and flywheel combinations
    • Will not fit engine blocks with splayed main caps
    • Has a 7 quart capacity (not including oil filter)
  • Moroso 21320 Circle Track Oil Pan, 1986-Up w/ One Piece Rear Main Seal
    Moroso 21320 Circle Track Oil Pan, 1986-Up w/ One Piece Rear Main Seal
    x
                

    Now you can have a Moroso oil pan for an affordable price. It features trap doors for oil control, removable windage tray, built-in crank scraper and accepts up to 3.800" stroke with steel rods. It's 7-1/2" deep, 11" wide and fits 78-87 Metric chassis and Camaro stubs. Fits small block Chevy.

    • Cost-effective Circle Track oil pan with Moroso quality and performance
    • Trap door baffles for oil control
    • Removable louvered windage tray
    • Built–in crankscraper
    • Accepts 3.80" stroke with steel rods
    • Accepts most starter and flywheel combinations
    • Will not fit engine blocks with splayed main caps
    • Accepts most starter and flywheel combinations
    • Will not fit engine blocks with splayed main caps
    • Has a 7 quart capacity (not including oil filter)
  • Dart 31161211 Special High Performance Chevy Block, 4.125 Inch Bore
    Dart 31161211 Special High Performance Chevy Block, 4.125 Inch Bore
    x
                

    Dart's Special High Performance (SHP) small-block meets the need for an affordable, precision-machined cast-iron block with superior features. Designed for high-performance and heavy-duty applications producing up to 600 horsepower, the SHP block is the ideal starting point for hot rodders, drag racers, circle track competitors, off-roaders, and high-performance marine enthusiasts. The SHP block as all the features needed without spending the big bucks and having to wait on your machine shop.

    • All new, precision machined
    • Cast from high nickel iron
    • Priority main oiling system
    • Siamese 4.125" bores
    • At 4.165" bore, .230" wall thickness
    • Clearance for 3.75" stroke w/ steel rods
    • Decks parallel within .002"
    • Made in USA
    • Blind head bolt holes
    • 350 main journals
    • Splayed 4-bolt center main caps
    • Two piece rear main seal
    • Accepts OEM roller rockers and cams
    • Uses 1981-85 oil pans & dipsticks
    • Accepts standard starters and bellhousings

    Dart SHP Block Instructions (PDF)

  • Scat 9-10442 Chevy 350 Crankshaft, Cast Steel
    Scat 9-10442 Chevy 350 Crankshaft, Cast Steel
    x
                

    Scat's hi-tech, fatigue resistant 80-60-06 cast steel cranks have near forged steel endurance at a value price! Designed to replace stock cranks that have seen better days. Perfect for stock or mildly built engines.

    • For 2-piece rear main blocks
    • Precision ground and micro polished
    • Internally Balance
    • IMCA southern sport mod legal (Drilled only on the first rod throw)
    • Angle oil shot holes 
  • 1955-1985 Chevy Flexplate for 2-Piece Rear Main, 153 Tooth
    1955-1985 Chevy Flexplate for 2-Piece Rear Main, 153 Tooth
    x
                

    These non-SFI rated S/B Chevy automatic transmission flexplates are suggested whenever installing a new engine or transmission. These flexplates are for two-piece rear main seal engines ONLY.

    • (Internal balance, 153-tooth)
      • Dual bolt patterns, 9-3/4" and 10-3/4"
      • Flexplate O.D. 12-3/4"
      • Center Hole 2-1/2"

    Make sure you choose the correct flywheel for your application by reading our tech article. Small Block Chevy - How to Choose a Flexplate.

  • Premium Chevy 350 Rotating Assembly, 1-Piece Main, Flat Top, 5.7 Rod
    Premium Chevy 350 Rotating Assembly, 1-Piece Main, Flat Top, 5.7 Rod
    x
                Please view the product's page for more information
            
  • Dart 31131211 Little M Chevy Block, 4.125 Inch Bore
    Dart 31131211 Little M Chevy Block, 4.125 Inch Bore
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    For those wanting the ultimate cast iron small Chevy block, Dart's Little M is your best bet. The Little M features extra thick stock deck heights, stock cam height, stock pan rails, 4 bolt steel main caps, and they are already clearanced for a 3.875" stroke. These blocks have the common 350 main journal diameter with a 4.125" bore size. Two-piece rear main seal.

    304-31211 Instructions (PDF)

    Must ship truck. Truck Freight Shipping Charges Apply - click here for details


  • Dart 31131111 Little M Chevy Block, 4.00 Inch Bore
    Dart 31131111 Little M Chevy Block, 4.00 Inch Bore
    x
                

    For those wanting the ultimate cast iron small Chevy block, Dart's Little M is your best bet. The Little M features extra thick stock deck heights, stock cam height, stock pan rails, 4 bolt steel main caps, and they are already clearanced for a 3.875" stroke. These blocks have the common 350 main journal diameter with a 4.00" bore size. Two-piece rear main seal.

    304-31111 Instructions (PDF)

    Must ship truck. Truck Freight Shipping Charges Apply - click here for details


  • Scat 910375 383 Chevy Cast Steel Crankshaft, Ext. Balance
    Scat 910375 383 Chevy Cast Steel Crankshaft, Ext. Balance
    x
                

    Scat's hi-tech, fatigue resistant 9000 material cast steel cranks have near forged steel endurance at a value price! A perfect way to increase cubic inches on mild to moderate street or race engines.

    • For 2-piece rear main blocks
    • Aero-wing counterweights increase horsepower by reducing windage
    • Straight shot oil holes
    • Lightening holes in all rod throws
    • Precision ground and micro polished
    • Externally balanced
  • Scat 940050 400 Chevy Cast Steel Crankshaft
    Scat 940050 400 Chevy Cast Steel Crankshaft
    x
                

    Scat's hi-tech, fatigue resistant 9000 material cast steel cranks have near forged steel endurance at a value price! A perfect way to increase cubic inches on mild to moderate street or race engines.

    • For 2-piece rear main blocks
    • Aero-wing counterweights increase horsepower by reducing windage
    • Straight shot oil holes
    • Lightening holes in all rod throws
    • Precision ground and micro polished
    • Externally balanced
  • Scat 935056 383 Chevy Cast Steel Crankshaft, Internal Balance
    Scat 935056 383 Chevy Cast Steel Crankshaft, Internal Balance
    x
                

    Scat's hi-tech, fatigue resistant 9000 material cast steel cranks have near forged steel endurance at a value price! A perfect way to increase cubic inches on mild to moderate street or race engines.

    • For 2-piece rear main blocks
    • Aero-wing counterweights increase horsepower by reducing windage
    • Straight shot oil holes
    • Lightening holes in all rod throws
    • Precision ground and micro polished
    • Internally balanced
  • Small Block 350 Chevy Rotating Assem., 1-Piece, .456 Hollow Dome, 5.7 Rod
    Small Block 350 Chevy Rotating Assem., 1-Piece, .456 Hollow Dome, 5.7 Rod
    x
                

    Speedway introduces forged rotating assembly engine rebuild kits, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings. New one piece rear main cast steel crank. Standard size journals. Hyperuetectic piston set and Speedway Super Stock rods. ARP rod bolts.

    All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours.

    NOTE: Piston rings are not included and must be purchased separately.

    Kits include:

    • Scat Cast Steel Crankshaft
      • One-piece rear main
      • 80-60-06 cast steel construction
      • Fatigue-resistant with near forged steel endurance
      • Standard size journals
    • Speedway 5140 I-Beam Claimer Connecting Rods
      • 5140 heat treated steel
      • Shot peened and magnafluxed
      • Press pin
      • 5.7" length
      • 646 grams
    • KB Signature Series Hypereutectic Claimer Pistons
      • Coated skirts
      • Wrist pin lock rings
      • T-5 hypereutectic construction
      • Can be used with press fit or floating wrist pins
  • Premium Small Block Chevy Rotating Assembly, 350 Flat Top, 5.7 Inch Rods
    Premium Small Block Chevy Rotating Assembly, 350 Flat Top, 5.7 Inch Rods
    x
                Please view the product's page for more information
            
  • GM Performance 19210007 Small Block Chevy 350/330 HP Long Block Engine
    GM Performance 19210007 Small Block Chevy 350/330 HP Long Block Engine
    x
                Please view the product's page for more information
            
  • 1986-Up Stock Raw Steel Small Block Chevy Oil Pan
    1986-Up Stock Raw Steel Small Block Chevy Oil Pan
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    These unplated, stock capacity oil pans are perfect for projects that don't need a chrome or aluminum pan.

    This oil pan is for a 1 piece rear main seal

    Now also available with inspection plug!

  • Forged Small Block Chevy Rotating Assembly, 421 .283 Dome, 400 Mains, 6 Rod
    Forged Small Block Chevy Rotating Assembly, 421 .283 Dome, 400 Mains, 6 Rod
    x
                

    Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings.

    All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs.  All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours. These rotating assembly engine rebuild kits may require additional charges for heavy metal.

    If you are going to run this crank in a sprint car motor, you must have the crank flange turned down prior to balancing the crank to allow it to go through the motor plate. 

    NOTE: A balance rotating assembly option is currently not offered for this package but the proper balancing service can be determined after your order is placed.  If you would like our balancing option service for 395 and 421 engine builds, please call 1-800-979-0122 when placing order.

    NOTE: Piston rings are not included and must be purchased separately. Use Style C rings.

  • 1955-1985 Chevy Flexplate for 2-Piece Rear Main, 168 Tooth
    1955-1985 Chevy Flexplate for 2-Piece Rear Main, 168 Tooth
    x
                

    These non-SFI rated S/B Chevy automatic transmission flexplates are suggested whenever installing a new engine or transmission. These flexplates are for two-piece rear main seal engines ONLY.

    •  (Internal balance, 168-tooth)
      • Dual bolt patterns, 10-3/4" and 11-1/2"
      • Flexplate O.D. 14.09"
      • Center Hole 2-1/2"

    Make sure you choose the correct flywheel for your application by reading our tech article. Small Block Chevy - How to Choose a Flexplate.

  • Forged Small Block Chevy Rotating Assembly, 421 .283 Dome, 350 Mains, 6 Rod
    Forged Small Block Chevy Rotating Assembly, 421 .283 Dome, 350 Mains, 6 Rod
    x
                

    Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings.

    All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs.  All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours. These rotating assembly engine rebuild kits may require additional charges for heavy metal.

    If you are going to run this crank in a sprint car motor, you must have the crank flange turned down prior to balancing the crank to allow it to go through the motor plate. 

    NOTE: A balance rotating assembly option is currently not offered for this package but the proper balancing service can be determined after your order is placed.  If you would like our balancing option service for 395 and 421 engine builds, please call 1-800-979-0122 when placing order.

    NOTE: Piston rings are not included and must be purchased separately. Use Style C rings.

  • Moroso 20520 Small Block Ford 351W Rear Sump Oil Pan
    Moroso 20520 Small Block Ford 351W Rear Sump Oil Pan
    x
                

    Moroso kicked-out sump oil pans offer increased oil capacity without restricting ground clearance or having the oil too close to the crankshaft. Trap door baffles are also included to provide a constant supply of oil at the pickup under severe racing conditions.

    • 7 quart capacity (not including filter)
    • 9" deep
    • Clears all 4-bolt main caps including 4-bolt rear
    • Oil pan rail notched to accept SVO main caps
    • Clears 3.40" stroke with most steel rods
    • Engineered to supply oil to sump at all times
    • Compatible with most starter/flywheel combinations
    • Includes universal chrome dipstick kit
    • Increased capacity reduces oil temperature
    • Magnetic oil drain plug
    • For use with 1-piece, rear sump gasket

    Fits: 1979-up Mustang, 1981-'81 Thunderbird, Cougar, 1979-'86 Capri and other Ford rear sump applications (except Mustang II).

  • SuperSeal Small Block Chevy Oil Pan Gasket, 1975-1985 One-Piece
    SuperSeal Small Block Chevy Oil Pan Gasket, 1975-1985 One-Piece
    x
                

    Small Block Chevy oil pan gasket by SuperSeal. 

    • Left Hand side ('55-'79) and Right Hand side ('80-'85) dipstick
    • For 2-piece rear main seal blocks
    • Rubber gasket w/ steel bushings
    • '75-'85 w/ thick front seal
  • Small Block Chevy Rotating Assembly, 350 Flat Top-4 Valve Relief, 5.7 Rod
    Small Block Chevy Rotating Assembly, 350 Flat Top-4 Valve Relief, 5.7 Rod
    x
                Speedway introduces rotating assembly engine rebuild kits, with an optional balance job. Includes 2-pc rear main seal cast steel crank, rods and pistons. Cranks are new so they use standard size bearings. 

    All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience! A kit purchased with the optional balance job will ship in 24-48 hours.

    NOTE: Piston rings are not included and must be purchased separately.

    Kits include:

    • Speedway Cast Steel Crankshaft
      • Two-piece rear main
      • 80-60-06 cast steel construction
      • Fatigue-resistant with near forged steel endurance
      • Standard size journals
    • Speedway 5140 I-Beam Claimer Connecting Rods
      • 5140 heat treated steel
      • Shot peened and magnafluxed
      • 5.7" length
      • Press pin
      • 646 grams
    • KB Signature Series Hypereutectic Claimer Pistons
      • Coated skirts
      • Wrist pin lock rings
      • T-5 hypereutectic construction
      • Can be used with press fit or floating wrist pins
  • Dart 31161111 Special High Performance Chevy Block, 4.00 Inch Bore
    Dart 31161111 Special High Performance Chevy Block, 4.00 Inch Bore
    x
                

    Dart's Special High Performance (SHP) small-block meets the need for an affordable, precision-machined cast-iron block with superior features. Designed for high-performance and heavy-duty applications producing up to 600 horsepower, the SHP block is the ideal starting point for hot rodders, drag racers, circle track competitors, off-roaders, and high-performance marine enthusiasts. The SHP block as all the features needed without spending the big bucks and having to wait on your machine shop.

    • All new, precision machined
    • Cast from high nickel iron
    • Priority main oiling system
    • Siamese 4.000" bores
    • At 4.165" bore, .230" wall thickness
    • Clearance for 3.75" stroke w/ steel rods
    • Decks parallel within .002"
    • Made in USA
    • Blind head bolt holes
    • 350 main journals
    • Splayed 4-bolt center main caps
    • Two piece rear main seal
    • Accepts OEM roller rockers and cams
    • Uses 1981-85 oil pans & dipsticks
    • Accepts standard starters and bellhousings

    Dart SHP Block Instructions (PDF)

  • 1986-1994 Chevy 153 Tooth Flexplate 1 PC Rear Main, Ext. Balance
    1986-1994 Chevy 153 Tooth Flexplate 1 PC Rear Main, Ext. Balance
    x
                

    These non-SFI rated Small Block Chevy flexplates are suggested whenever installing a new engine or transmission. This 153-tooth flexplate fits 1985-89 externally balanced S/B Chevys (such as 4.3/305/350) with a 1-piece rear main seal. Single bolt pattern.\

    • 12-13/16" O.D.
    • 3 on 10-3/4" bolt pattern for the torque converter

    Make sure you choose the correct flywheel for your application by reading our tech article. Small Block Chevy - How to Choose a Flexplate.

     

  • Scat 9-10526R 350 Chevy Cast Crankshaft, 1-Piece Main
    Scat 9-10526R 350 Chevy Cast Crankshaft, 1-Piece Main
    x
                

    These high-tech fatigue resistant 80-60-06 cast steel one-piece rear main crankshafts feature near forged strength with cast economy. Designed to replace stock cranks that have seen better days. For stock or mildly built engines.

    • For 1-piece rear main blocks 
    • Precision ground and micro polished
    • Internally balanced
  • Forged Small Block Chevy Rotating Ass., 434 Dome, 400 Main Journal, 6 Rod
    Forged Small Block Chevy Rotating Ass., 434 Dome, 400 Main Journal, 6 Rod
    x
                

    Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings.

    All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs.  All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours. These rotating assembly engine rebuild kits may require additional charges for heavy metal.

    If you are going to run this crank in a sprint car motor, you must have the crank flange turned down prior to balancing the crank to allow it to go through the motor plate.

    Chevy 434: 4.125" bore x 4.00" stroke

    NOTE: Piston rings are not included and must be purchased separately. Use Style C rings.

  • Forged Small Block Chevy Rotating Ass., 434 Dome, 350 Main Journal, 6 Rod
    Forged Small Block Chevy Rotating Ass., 434 Dome, 350 Main Journal, 6 Rod
    x
                

    Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings.

    All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs.  All balancing is done with our state-of-the-art "hines" balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours. These rotating assembly engine rebuild kits may require additional charges for heavy metal.

    If you are going to run this crank in a sprint car motor, you must have the crank flange turned down prior to balancing the crank to allow it to go through the motor plate.

    Chevy 434: 4.125" bore x 4.00" stroke

    NOTE: Piston rings are not included and must be purchased separately. Use Style C rings.

  • Forged S/B Chevy Rotating Assy., 434 Flat Top, 350 Main Journal, 6 Rod
    Forged S/B Chevy Rotating Assy., 434 Flat Top, 350 Main Journal, 6 Rod
    x
                

    Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings.

    All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs.  All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours. These rotating assembly engine rebuild kits may require additional charges for heavy metal.

    If you are going to run this crank in a sprint car motor, you must have the crank flange turned down prior to balancing the crank to allow it to go through the motor plate.

    Chevy 434: 4.125" bore x 4.00" stroke

    NOTE: Piston rings are not included and must be purchased separately. Use Style C rings.

  • Best Gasket RS566G-1 1954-56 Oldsmobile 324 V8 Gasket Set
    Best Gasket RS566G-1 1954-56 Oldsmobile 324 V8 Gasket Set
    x
                

    Rebuilding your Olds 324 V8? Be sure to seal it up with a high quality engine rebuild gasket set from Best Gasket. All Best Gasket complete engine gasket sets include all gaskets necessary to overhaul your 1954-1956 Oldsmobile 324 engine.

    Gasket set features Best Gasket's exclusive GraphTite® head gaskets which have superb sealing characteristics, excellent torque retention and hold up to the punishment dished out by high-performance engines. GraphTite™ consists of a Kevlar® reinforced graphite facing material mechanically bonded to both sides of a perforated steel core, which means it is rated to 1400° F. Steel fire rings are installed in the combustion chamber areas of the gasket.

    Also includes premium GraphTite® real main rope seals to eliminate those aggravating rear main seal leaks. 

    Kit Contents (Link)

  • Best Gasket RS566G 1949-53 Oldsmobile 303 Gasket Set
    Best Gasket RS566G 1949-53 Oldsmobile 303 Gasket Set
    x
                

    Rebuilding your Olds 303 V8? Be sure to seal it up with a high quality engine rebuild gasket set from Best Gasket. All Best Gasket complete engine gasket sets include all gaskets necessary to overhaul your 1949-1953 Oldsmobile 303 engine.

    Gasket set features Best Gasket's exclusive GraphTite® head gaskets which have superb sealing characteristics, excellent torque retention and hold up to the punishment dished out by high-performance engines. GraphTite™ consists of a Kevlar® reinforced graphite facing material mechanically bonded to both sides of a perforated steel core, which means it is rated to 1400° F. Steel fire rings are installed in the combustion chamber areas of the gasket.

    Also includes premium GraphTite® real main rope seal to eliminate those aggravating rear main seal leaks.  

    Kit Contents (Link)

  • Best Gasket RS512G 1957-58 Oldsmobile 371 V8 Gasket Set
    Best Gasket RS512G 1957-58 Oldsmobile 371 V8 Gasket Set
    x
                

    Rebuilding your Olds 371 V8? Be sure to seal it up with a high quality engine rebuild gasket set from Best Gasket. All Best Gasket complete engine gasket sets include all gaskets necessary to overhaul your 1957-1958 Oldsmobile 371 engine.

    Gasket set features Best Gasket's exclusive GraphTite® head gaskets which have superb sealing characteristics, excellent torque retention and hold up to the punishment dished out by high-performance engines. GraphTite™ consists of a Kevlar® reinforced graphite facing material mechanically bonded to both sides of a perforated steel core, which means it is rated to 1400° F. Steel fire rings are installed in the combustion chamber areas of the gasket.

    Also includes premium GraphTite® real main rope seals to eliminate those aggravating rear main seal leaks.

    Kit Contents (Link)

  • Forged S/B Chevy Rotating Assy., 434 Flat Top, 400 Main Journal, 6 Rod
    Forged S/B Chevy Rotating Assy., 434 Flat Top, 400 Main Journal, 6 Rod
    x
                

    Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings. 

    All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs.  All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours. These rotating assembly engine rebuild kits may require additional charges for heavy metal.

    If you are going to run this crank in a sprint car motor, you must have the crank flange turned down prior to balancing the crank to allow it to go through the motor plate.

    Chevy 434: 4.125" bore x 4.00" stroke

    NOTE: Piston rings are not included and must be purchased separately. Use Style C rings.

  • BluePrint 302 Ford Hot Rod Crate Engine w/ Rear Sump Pan
    BluePrint 302 Ford Hot Rod Crate Engine w/ Rear Sump Pan
    x
                Please view the product's page for more information
            
  • Forged Small Block Chevy Rotating Assembly, 395 .400 Dome, 350 Mains, 6 Rod
    Forged Small Block Chevy Rotating Assembly, 395 .400 Dome, 350 Mains, 6 Rod
    x
                

    Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings.

    All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs.  All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours. These rotating assembly engine rebuild kits may require additional charges for heavy metal.

    If you are going to run this crank in a sprint car motor, you must have the crank flange turned down prior to balancing the crank to allow it to go through the motor plate. 

    NOTE: A balance rotating assembly option is currently not offered for this package but the proper balancing service can be determined after your order is placed.  If you would like our balancing option service for 395 and 421 engine builds, please call 1-800-979-0122 when placing order.

    NOTE: Piston rings are not included and must be purchased separately. Use Style C rings.

  • Moroso 20212 Chevy II 1986-Up Small Block Oil Pan
    Moroso 20212 Chevy II 1986-Up Small Block Oil Pan
    x
                

    If you are lucky enough to be putting together a '62-'67 Chevy II, you know the oil pan is a little bit special. These Moroso pans take the pain out of the engine install while giving it a better oiling system. Has a 6 quart capacity (not including filter).

    • Pick-up 54524120 or 54524122 is required for installation
    • Wet Sump, 9" Deep
    • Clears 3.80" stroke with most steel rods
    • Notched sump clears steering linkage
    • Compatible with most starter/flywheel combinations
    • Reduces oil temperature

    For cars without power steering. Pump pick-up NOT included but is available as noted below.

    Moroso Oil Pan Instructions (PDF)

  • 1986-1994 Chevy 168 Tooth Flexplate 1 PC Rear Main, Ext. Balance
    1986-1994 Chevy 168 Tooth Flexplate 1 PC Rear Main, Ext. Balance
    x
                

    These non-SFI rated Small Block Chevy flex plates are suggested whenever installing a new engine or transmission. This is 168-tooth flexplate for 1985-94 externally balanced S/B Chevys (such as 305/350) with a 1-piece rear main seal. 

    Make sure you choose the correct flywheel for your application by reading our tech article. Small Block Chevy - How to Choose a Flexplate.

  • Forged Small Block Chevy Rotating Assembly, 395 .063 Dome, 350 Mains, 6 Rod
    Forged Small Block Chevy Rotating Assembly, 395 .063 Dome, 350 Mains, 6 Rod
    x
                

    Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings. 

    All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs.  All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours. These rotating assembly engine rebuild kits may require additional charges for heavy metal.

    If you are going to run this crank in a sprint car motor, you must have the crank flange turned down prior to balancing the crank to allow it to go through the motor plate.

    NOTE: A balance rotating assembly option is currently not offered for this package but the proper balancing service can be determined after your order is placed.  If you would like our balancing option service for 395 and 421 engine builds, please call 1-800-979-0122 when placing order.

    NOTE: Piston rings are not included and must be purchased separately. Use Style C rings.

  • Speedway 383 Chevy Crankshaft, Two-Piece Main
    Speedway 383 Chevy Crankshaft, Two-Piece Main
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    New, hi-tech fatigue resistant 80-60-06 cast steel crank with near forged steel endurance. All journals are ground and polished to exacting tolerances. Superior quality 383 stroker crank at a stock replacement price.

    For blocks with 2-piece rear main seals.

  • Scat 945425 B/B Chevy Cast Steel Crankshaft-4.25 Stroke, Int. Balanced
    Scat 945425 B/B Chevy Cast Steel Crankshaft-4.25 Stroke, Int. Balanced
    x
                

    It is hard to beat cubic inches. High-tech, fatigue-resistant 80-60-06 cast steel crank has near forged steel endurance at a value price. These cranks have a 700 horsepower rating. For 2-piece rear main seal blocks.

    • 454 Main Journal
    • 2.200" rod pin
    • 67 lb. approximate weight
    • Internally Balanced
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