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"350 rear main seal" Page 1 of 3

  • EngineQuest RSH350 1986 and Newer S/B Chevy Rear Main Seal Conversion
    EngineQuest RSH350 1986 and Newer S/B Chevy Rear Main Seal Conversion
    x
                Enables a rebuilder to install a 2-piece design crankshaft in a one-piece seal design block. Billet aluminum. Alignment tool required for installation. Uses a 1986 and later 1-pc rear main style oil pan and gasket.
            
  • SuperSeal Small Block Chevy Overhaul Gasket Set, 350 Chevy '67 -'85
    SuperSeal Small Block Chevy Overhaul Gasket Set, 350 Chevy '67 -'85
    x
                SuperSeal standard rebuild gasket sets feature composite head gaskets, intake, water pump, valve cover, front cover and seal, oil pan and rear main seal.
            
  • Fel-Pro Gaskets 2900 1959-85 S/B Chevy Rear Main Bearing Seal, Wide
    Fel-Pro Gaskets 2900 1959-85 S/B Chevy Rear Main Bearing Seal, Wide
    x
                Premium quality Blue Stripe seals by Fel Pro for your 1959-1985 small block Chevy V-8 with wide  style seal w/ raised beads on O.D. channel.
            
  • SuperSeal 81-86 S/B Chevy 350 Overhaul 4 Barrel Carburetor Gasket Set
    SuperSeal 81-86 S/B Chevy 350 Overhaul 4 Barrel Carburetor Gasket Set
    x
                

    This Tru-Seal gasket set fits older 2-piece rear main seal S/B Chevys found in the following applications-

    • 1981-85 350 Truck w/ 4BBL carb
    • 1981-86 350 Cars w/ 4BBL carb
    • 1981-86 Corvettes w/ 4BBL carb
    • 2-Piece Rear Main w/ Cast Iron Heads

    Catalog Correction: This kit was incorrectly listed in a recent catalog for a 1-piece rear main seal SBC, but it is actually for a 2-piece main seal engine.

  • 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)

  • 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
    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)
  • Callies SAJ113CS S/B Chevy 383 Crankshaft, Compstar 4340, 6.0 Rod
    Callies SAJ113CS S/B Chevy 383 Crankshaft, Compstar 4340, 6.0 Rod
    x
                Callie's solid modeling abilities provide a great  advantage in Small Block Chevy 383 crankshaft development. They’re able to precisely locate  material where it will  yield the greatest advantage in terms of both  strength to weight, and  balance ability.

    Beginning with properly placed counterweights that not only improve balance but reduce bearing loads, every aspect of these highly stressed components has been analyzed. The forgings are rough machined in a process that includes double stress relief operations that make these crankshafts very dimensionally stable.

    Hardened with a deep nitride, Compstar cranks are ideal for all types of abusive racing environments. All rod journals are drilled and counterweights are profiled for piston clearance. With a consistent grind and polish, along with precise stroke and index, you will see why we say these crankshafts are Compstar Correct!
  • 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.

  • 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)
  • 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
            
  • Callies SAJ113CS 383 S/B Chevy Crankshaft, Compstar 4340, 5.7 Rod
    Callies SAJ113CS 383 S/B Chevy Crankshaft, Compstar 4340, 5.7 Rod
    x
                

    Compstar Performance Crankshafts are designed by engineers, forged on proprietary dies, and made to exact specifications. These 383 crankshafts are rough machined from certified AISI 4340 forgings, then finish machined in house by Callies.

    Callie's solid modeling abilities provide a great advantage in product development. They’re able to precisely locate material where it will yield the greatest advantage in terms of both strength to weight, and balance ability in  their small block chevy crankshafts.

    Beginning with properly placed counterweights that not only improve balance but reduce bearing loads, every aspect of these highly stressed components has been analyzed. The forgings are rough machined in a process that includes double stress relief operations that make these crankshafts very dimensionally stable.

    Hardened with a deep nitride, Compstar cranks are ideal for all types of abusive racing environments. All rod journals are drilled and counterweights are profiled for piston clearance. With a consistent grind and polish, along with precise stroke and index, you will see why we say these crankshafts are Compstar Correct!

  • EngineQuest RSH349 Pre-85 Small Block Chevy Rear Main Seal Conversion
    EngineQuest RSH349 Pre-85 Small Block Chevy Rear Main Seal Conversion
    x
                Enables a rebuilder to install a 2-piece design crankshaft in a one-piece seal design block. Billet aluminum. Alignment tool required for installation.
            
  • 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.

  • GM Performance 12499529 Small Block Chevy 350/290 Long Block Engine
    GM Performance 12499529 Small Block Chevy 350/290 Long Block Engine
    x
                Please view the product's page for more information
            
  • 1986-Up Small Block Chevy Aluminum Oil Pans
    1986-Up Small Block Chevy Aluminum Oil Pans
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    Fits Small Block Chevy. Polished aluminum oil pan, ribbed for beauty, strength and heat dissipation.

    This pan uses a passenger side dipstick and a one-piece rear main seal crankshaft. Includes drain plug and mounting bolts.

    They are 1 piece cast aluminum construction.

  • 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 Small Block Chevy Rotating Assembly, 350 Dome, H-Beam, 6 Rod
    Forged Small Block Chevy Rotating Assembly, 350 Dome, H-Beam, 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 350: 4.000" bore x 3.48" stroke

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

  • Chevy 350/400 Rear Main Seal
    Chevy 350/400 Rear Main Seal
    x
                

    Fits ’59-’85 Small Block Chevys.

  • Forged Small Block Chevy Rotating Assembly, 350 Flat Top, H-Beam, 5.7 Rods
    Forged Small Block Chevy Rotating Assembly, 350 Flat Top, H-Beam, 5.7 Rods
    x
                Please view the product's page for more information
            
  • 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
            
  • 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.

  • 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.

  • 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
  • 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.

  • Forged Small Block Chevy Rotating Assembly, 350 Flat Top, H-Beam, 6 Rod
    Forged Small Block Chevy Rotating Assembly, 350 Flat Top, H-Beam, 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 383: 4.000" bore x 3.75" stroke

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

  • Scat 350-3500-5700-18LW F43 Chevy Crankshaft, 3.50 Stroke, 350 Main
    Scat 350-3500-5700-18LW F43 Chevy Crankshaft, 3.50 Stroke, 350 Main
    x
                

    Lightweight, strong and at a price you can afford. These 4340 forged steel cranks will really make a difference in your performance.

    • Fits small block Chevy with 2-piece rear main seal
    • Straight shot & chamfered oil holes
    • Nitride hardened for superior wear resistance
    • Profiled and pendulum cut counterweights
    • Gun-drilled main line hole for lightening and equalization of crankcase pressure
    • Star tail for reduced weight
  • Scat 350-4000-6000-21LW F43 Chevy Crankshaft 4 Stroke 350 Main 2.1 Rod
    Scat 350-4000-6000-21LW F43 Chevy Crankshaft 4 Stroke 350 Main 2.1 Rod
    x
                

    Lightweight, strong and at a price you can afford. These 4340 forged steel cranks will really make a difference in your performance.

    • Fits small block Chevy with 2-piece rear main seal
    • Straight shot & chamfered oil holes
    • Nitride hardened for superior wear resistance
    • Profiled and pendulum cut counterweights
    • Gun-drilled main line hole for lightening and equalization of crankcase pressure
    • Star tail for reduced weight
  • Scat 350-3500-5700-20LW F43 Chevy Crankshaft 3.5 Stroke 350 Main 2 Rod
    Scat 350-3500-5700-20LW F43 Chevy Crankshaft 3.5 Stroke 350 Main 2 Rod
    x
                

    Lightweight, strong and at a price you can afford. These 4340 forged steel cranks will really make a difference in your performance.

    • Fits small block Chevy with 2-piece rear main seal
    • Straight shot & chamfered oil holes
    • Nitride hardened for superior wear resistance
    • Profiled and pendulum cut counterweights
    • Gun-drilled main line hole for lightening and equalization of crankcase pressure
    • Star tail for reduced weight
  • 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
            
  • Forged Small Block Chevy Rotating Assembly, 421 Flat Top, 350 Mains, 6 Rod
    Forged Small Block Chevy Rotating Assembly, 421 Flat Top, 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.

  • Scat 435031LW F43 S/B Chevy Crankshaft-3.50 Stroke-350 Main-2.10 Rod
    Scat 435031LW F43 S/B Chevy Crankshaft-3.50 Stroke-350 Main-2.10 Rod
    x
                

    Lightweight, strong and at a price you can afford. These 4340 forged steel cranks will really make a difference in your performance.

    • Fits small block Chevy with 2-piece rear main seal
    • Straight shot & chamfered oil holes
    • Nitride hardened for superior wear resistance
    • Profiled and pendulum cut counterweights
    • Gun-drilled main line hole for lightening and equalization of crankcase pressure
    • Star tail for reduced weight
  • Small Block 350 Chevy Rotating Assem., One Piece, Flat Top-4 Valve, 5.7 Rod
    Small Block 350 Chevy Rotating Assem., One Piece, Flat Top-4 Valve, 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.
  • 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
  • Small Block 350 Chevy Rotating Assem., One Piece, Flat Top-2 Valve, 5.7 Rod
    Small Block 350 Chevy Rotating Assem., One Piece, Flat Top-2 Valve, 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.
  • Small Block 350 Chevy Rotating Assem., One Piece, .150 Solid Dome, 5.7 Rod
    Small Block 350 Chevy Rotating Assem., One Piece, .150 Solid 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.
  • Small Block 350 Chevy Rotating Assem., One Piece, .275 Solid Dome, 5.7 Rod
    Small Block 350 Chevy Rotating Assem., One Piece, .275 Solid 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.
  • Fel-Pro Gaskets 2912 Small Block Chevy 2-Piece Rear Main Seal
    Fel-Pro Gaskets 2912 Small Block Chevy 2-Piece Rear Main Seal
    x
                Made from severe duty fluoroelastomer. Fits Small Block Chevy V8/L6/V6.
            
  • Scat 435062LW F43 S/B Chevy Crankshaft-3.75 Stroke-350 Main-2.10 Rod
    Scat 435062LW F43 S/B Chevy Crankshaft-3.75 Stroke-350 Main-2.10 Rod
    x
                

    Lightweight, strong and at a price you can afford. These 4340 forged steel cranks will really make a difference in your performance.

    • Fits small block Chevy with 2-piece rear main seal
    • Straight shot & chamfered oil holes
    • Nitride hardened for superior wear resistance
    • Profiled and pendulum cut counterweights
    • Gun-drilled main line hole for lightening and equalization of crankcase pressure
    • Star tail for reduced weight
  • EngineQuest AT350 Small Block Chevy Rear Main Alignment Tool
    EngineQuest AT350 Small Block Chevy Rear Main Alignment Tool
    x
                Small block Chevy rear main alignment tool
            
  • 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


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