Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Products

Shop Scat Crankshafts At Speedway Motors

One of the most respected and innovative manufacturing company’s in the automotive aftermarket, Scat produces world class engine components for just about any application. With the best quality in the business and numerous awards, Scat guarantees satisfaction in the performance of their parts. Take even greater satisfaction knowing these parts are proudly manufactured in the USA.


Featured Products
  • Scat ProCar Rally Bucket Seats with Houndstooth Inserts
    Scat ProCar Rally Bucket Seats with Houndstooth Inserts
    (Part #91070047)
    x
                The ProCar Rally bucket seat by Scat Enterprizes features OEM grade fabric and vinyl with map pockets and easy adjustment reclining levers.  Available in left or right side styles.
    • Sliders included
    • Adjustable headrest
    • Adjustable incline or recline
    • High quality TIG welded steel frame
    • High quality injected molded foam
    • Seat adaptors available for most models
    • OEM grade houndstooth center
    • Choose left or right side versions
  • Scat 9-10442 Chevy 350 Crankshaft, Cast Steel
    Scat 9-10442 Chevy 350 Crankshaft, Cast Steel
    (Part #915104420)
    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 
  • 1968-1972 Chevelle Bucket Seat Adapter
    1968-1972 Chevelle Bucket Seat Adapter
    (Part #91080034)
    x
                

    This bolt-in seat adapter from Scat is for your 1968-1972 Chevelle with factory bucket seats. Its custom steel design allows for an easy installation and are vehicle-specific to avoid time-consuming modifications. These seat adapters make it easy to be more comfortable, save money, and have the satisfication of doing the job yourself.

    • Hardware Included
    • Sold Individually
    • Choose Driver or Passenger Seat

     

  • 1939-53 Flathead Ford Rotating Assembly, 286 C.I.
    1939-53 Flathead Ford Rotating Assembly, 286 C.I.
    (Part #915286)
    x
                

    These 1939-53 flathead stroker kit rotating assemblies feature new Scat crankshafts, new Scat H-beam connecting rods with 2" journals, Ross forged three-ring pistons, rod bearings, and piston rings. The components are balanced and ready for you to assemble.

    Main bearings sold separately. If you have a '39-'48 engine you will need a set of 9101535-STD main bearings. A '49-'53 engine will require a set of 9101536-STD main bearings.

  • Scat 26000716 Small Block Chevy 4340 I-Beam Rods, 6.0 Inch, Bushed Pin
    Scat 26000716 Small Block Chevy 4340 I-Beam Rods, 6.0 Inch, Bushed Pin
    (Part #91015232)
    x
                

    These Scat Pro Comp 4340 forged bushed I-beam connecting rods come with huge 7/16" ARP cap screw bolts, which greatly increase strength and horsepower capabilities. In fact, Pro Comp series rods include some strength adders found in H-beam designs:

    • One-rib cap design for added strength and bearing support
    • Polished beams to eliminate stress risers
    • Special hollow dowels
    • Profile clearanced for stroker applications
  • Scat 25700716 Small Block Chevy 4340 I-Beam Rods, 5.7 Inch, Bushed Pin
    Scat 25700716 Small Block Chevy 4340 I-Beam Rods, 5.7 Inch, Bushed Pin
    (Part #91015230)
    x
                

    These Scat Pro Comp 4340 forged bushed I-beam connecting rods come with huge 7/16" ARP cap screw bolts, which greatly increase strength and horsepower capabilities. In fact, Pro Comp series rods include some strength adders found in H-beam designs:

    • One-rib cap design for added strength and bearing support
    • Polished beams to eliminate stress risers
    • Special hollow dowels
    • Profile clearanced for stroker applications
  • 1939-53 Flathead Ford Rotating Assembly, 274 C.I.
    1939-53 Flathead Ford Rotating Assembly, 274 C.I.
    (Part #915274)
    x
                

    These 1939-53 flathead stroker kit rotating assemblies feature new Scat crankshafts, new Scat H-beam connecting rods with 2" journals, Ross forged three-ring pistons, rod bearings, and piston rings. The components are balanced and ready for you to assemble.

    Main bearings sold separately. If you have a '39-'48 engine you will need a set of 9101535-STD main bearings. A '49-'53 engine will require a set of 9101536-STD main bearings.

  • Scat 9-10526R 350 Chevy Cast Crankshaft, 1-Piece Main
    Scat 9-10526R 350 Chevy Cast Crankshaft, 1-Piece Main
    (Part #91510526)
    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

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  • Scat 2-350-5700-2100-QL Q-Lite S/B Chevy Forged H-Beam Rods, 5.7 Inch
    Scat 2-350-5700-2100-QL Q-Lite S/B Chevy Forged H-Beam Rods, 5.7 Inch
    (Part #91015238)
    x
                

    Premium Scat forged Q-Lite H-beam rods with ARP 2000 3/8" cap screws

    • Lightest H-beam design available without sacrificing strength
    • Special doweled cap
  • 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
    (Part #91515240)
    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 ProCar Rally Bucket Seats with Houndstooth Inserts
    Scat ProCar Rally Bucket Seats with Houndstooth Inserts
    (Part #91070047)
    x
                The ProCar Rally bucket seat by Scat Enterprizes features OEM grade fabric and vinyl with map pockets and easy adjustment reclining levers.  Available in left or right side styles.
    • Sliders included
    • Adjustable headrest
    • Adjustable incline or recline
    • High quality TIG welded steel frame
    • High quality injected molded foam
    • Seat adaptors available for most models
    • OEM grade houndstooth center
    • Choose left or right side versions
  • Flathead Ford H-Beam Connecting Rods
    Flathead Ford H-Beam Connecting Rods
    (Part #9157000)
    x
                

    If you have ever looked at a stock Flathead Ford connecting rod, you would wonder how those skinny things ever survive. So, if you have found a good block and are going to add a longer arm and a bigger thump stick, you had better upgrade to a set of H-beam rods. They are the stock length of 7.00" and accept 49-53 rod bearings. With the added material on the big end, they require a 3.25" or larger finished bore. 

    Set of 8.  

  • Scat 4-400-4000-6000 434 Chevy 4340 Forged Crankshaft, 4.00 Stroke
    Scat 4-400-4000-6000 434 Chevy 4340 Forged Crankshaft, 4.00 Stroke
    (Part #91515575)
    x
                

    As you make more and more power it becomes more important to use quality parts. These Scat 4340 forged steel cranks will help keep your motor alive.

    • Straight shot & chamfered oil holes
    • Nitride hardened for superior wear reisistance
    • Lightening holes in all rod throws
    • Large radius on all journals
    • Heat treated, shot peened
    • Designed at SCAT
    • Engineered at SCAT
    • Inspected & micropolished at SCAT
    • For 2-piece rear main blocks
    • 2.100" rod pin
    • 55 lbs.
  • Scat 25700716 Small Block Chevy 4340 I-Beam Rods, 5.7 Inch, Bushed Pin
    Scat 25700716 Small Block Chevy 4340 I-Beam Rods, 5.7 Inch, Bushed Pin
    (Part #91015230)
    x
                

    These Scat Pro Comp 4340 forged bushed I-beam connecting rods come with huge 7/16" ARP cap screw bolts, which greatly increase strength and horsepower capabilities. In fact, Pro Comp series rods include some strength adders found in H-beam designs:

    • One-rib cap design for added strength and bearing support
    • Polished beams to eliminate stress risers
    • Special hollow dowels
    • Profile clearanced for stroker applications
  • Scat 9-10442 Chevy 350 Crankshaft, Cast Steel
    Scat 9-10442 Chevy 350 Crankshaft, Cast Steel
    (Part #915104420)
    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 
  • Scat 4-350-4000-6000 Chevy 4340 Forged Crankshaft-4 Stroke, 350 Main
    Scat 4-350-4000-6000 Chevy 4340 Forged Crankshaft-4 Stroke, 350 Main
    (Part #91515525)
    x
                

    As you make more and more power it becomes more important to use quality parts. These Scat 4340 forged steel cranks will help keep your motor alive.

    • Straight shot & chamfered oil holes
    • Nitride hardened for superior wear reisistance
    • Lightening holes in all rod throws
    • Large radius on all journals
    • Heat treated, shot peened
    • Designed at SCAT
    • Engineered at SCAT
    • Inspected & micropolished at SCAT
    • For 2-piece rear main blocks
    • 2.100" rod pin
    • 408 & 434 Chevy Crankshaft
    • 54 lbs.
  • 1939-53 Flathead Ford Rotating Assembly, 286 C.I.
    1939-53 Flathead Ford Rotating Assembly, 286 C.I.
    (Part #915286)
    x
                

    These 1939-53 flathead stroker kit rotating assemblies feature new Scat crankshafts, new Scat H-beam connecting rods with 2" journals, Ross forged three-ring pistons, rod bearings, and piston rings. The components are balanced and ready for you to assemble.

    Main bearings sold separately. If you have a '39-'48 engine you will need a set of 9101535-STD main bearings. A '49-'53 engine will require a set of 9101536-STD main bearings.

  • Scat 9-239-4250-2138 Flathead Ford Stroker Crankshaft, 4-1/4 Inch
    Scat 9-239-4250-2138 Flathead Ford Stroker Crankshaft, 4-1/4 Inch
    (Part #91511242)
    x
                

    These Scat flathead cranks are made from series 9000 material which is the strongest cast material known. Shot peened, ground and micro-polished to original specs. Uses 1949-1953 bearings.

    • Rod Length: 7.000"
    • Rod Pin: 2.138"
    • Internal balance
  • 1939-53 Flathead Ford Rotating Assembly, 304 C.I.
    1939-53 Flathead Ford Rotating Assembly, 304 C.I.
    (Part #915296)
    x
                

    These 1939-53 flathead stroker kit rotating assemblies feature new Scat crankshafts, new Scat H-beam connecting rods with 2" journals, Ross forged three-ring pistons, rod bearings, and piston rings. The components are balanced and ready for you to assemble.

    Main bearings sold separately. If you have a '39-'48 engine you will need a set of 9101535-STD main bearings. A '49-'53 engine will require a set of 9101536-STD main bearings.

  • Scat 26000716 Small Block Chevy 4340 I-Beam Rods, 6.0 Inch, Bushed Pin
    Scat 26000716 Small Block Chevy 4340 I-Beam Rods, 6.0 Inch, Bushed Pin
    (Part #91015232)
    x
                

    These Scat Pro Comp 4340 forged bushed I-beam connecting rods come with huge 7/16" ARP cap screw bolts, which greatly increase strength and horsepower capabilities. In fact, Pro Comp series rods include some strength adders found in H-beam designs:

    • One-rib cap design for added strength and bearing support
    • Polished beams to eliminate stress risers
    • Special hollow dowels
    • Profile clearanced for stroker applications
  • Scat 6612518QLS Ultra Q-Lite S/B Chevy Rods-1.888 In Journal, 6.125 In
    Scat 6612518QLS Ultra Q-Lite S/B Chevy Rods-1.888 In Journal, 6.125 In
    (Part #91015229)
    x
                

    These steel H-beam rods are as light and strong as you can get at a price you can afford. They use 7/16" ARP 8740 bolts and will clear most stroker cranks and cams. They accept Honda 1.888" journal bearings, so double check your crank.

    • 6-1/8 Inch
    • 1.888 Inch Journal
    • 7/16 Inch Bolts
    • 569 Grams 

     

  • Scat 2-454-6385-2200 B/B Chevy 4340 Forged Bushed H-Beam Rods-6.385 In
    Scat 2-454-6385-2200 B/B Chevy 4340 Forged Bushed H-Beam Rods-6.385 In
    (Part #91015235)
    x
                

    These Scat Pro Comp 4340 forged steel I Beam connecting rodsare profiled for extra clearance. Sets are matched to +/- 1 gram and come with 7/16" ARP 8740 cap screws and are rated for up to 950 horsepower.

    • Bushed
    • 6.385" rod length
    • 2.200"  crankpin
    • .990" wristpin
    • .992" bewidth
  • Scat 2-ICR-6135-7/16 B/B Chevy 4340 Forged Bushed I-Beam Rods-6.135 In
    Scat 2-ICR-6135-7/16 B/B Chevy 4340 Forged Bushed I-Beam Rods-6.135 In
    (Part #91015231)
    x
                

    These Scat Pro Comp 4340 forged steel I Beam connecting rods have a lightweight design for more horsepower and quicker RPMs. They have been profiled for extra clearance. Sets are matched to +/- 1 gram and come with ARP 8740 7/16" cap screws. Rated at 750 horsepower.

    • Bushed 
    • 2.200" crankpin
    • .990" wristpin
    • .992" bewidth
  • 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
    (Part #91513756)
    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 66000214 Q-Lite Small Block Chevy Forged H-Beam Rods, 6.0 Inch
    Scat 66000214 Q-Lite Small Block Chevy Forged H-Beam Rods, 6.0 Inch
    (Part #91015239)
    x
                

    Premium Scat forged Q-Lite H-beam rods with ARP 2000 3/8" cap screws

    • Lightest H-beam design available without sacrificing strength
    • Special doweled cap
  • 1968-1972 Chevelle Bucket Seat Adapter
    1968-1972 Chevelle Bucket Seat Adapter
    (Part #91080034)
    x
                

    This bolt-in seat adapter from Scat is for your 1968-1972 Chevelle with factory bucket seats. Its custom steel design allows for an easy installation and are vehicle-specific to avoid time-consuming modifications. These seat adapters make it easy to be more comfortable, save money, and have the satisfication of doing the job yourself.

    • Hardware Included
    • Sold Individually
    • Choose Driver or Passenger Seat

     

  • Scat 2-350-6000-1888-QLS Q-Lite SBC Rods, 1.888 Inch Journal, 6.0 Inch
    Scat 2-350-6000-1888-QLS Q-Lite SBC Rods, 1.888 Inch Journal, 6.0 Inch
    (Part #91015223)
    x
                

    These steel H-beam rods are as light and strong as you can get at a price you can afford. They use 7/16" ARP 8740 bolts and will clear most stroker cranks and cams. They accept Honda 1.888" journal bearings, so double check your crank.

    • 6.0 Inch
    • 1.888 Inch Journal
    • 7/16 Inch Bolts
    • 569 Grams 

     

  • Scat 910375 383 Chevy Cast Steel Crankshaft, Ext. Balance
    Scat 910375 383 Chevy Cast Steel Crankshaft, Ext. Balance
    (Part #915103750)
    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
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