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GM ATK Short Blocks

Every great build needs a solid foundation! For that reason, we take the hard work out of the picture by selling short blocks that are ready for you to complete yourself. Our GM Short Blocks are most commonly packaged as the engine block assembled with Pistons, Piston Rings and Crankshaft installed.

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Chevy 350 Short Block 87-95 Dish Piston Crate Engine
ATK SP03 Chevy 350CI Short Block +12.3cc Dish Pistons
Our Price (USD): $1,339.00

This is a great foundation for a mild performance build or a good upgrade for a worn out short block.
Chevy 350 Short Block Crate Engine
ATK SP04 Chevy 350CI Short Block Flat Top Pistons
Our Price (USD): $1,399.00

This is a great foundation for a mild performance build or a good upgrade for a worn out short block.
Chevy 454 Short Block 4 Bolt Main 1 pc Rear Main
ATK SP06 Chevy 454CI Short Block +22cc Dome Pistons 1pc Seal
Our Price (USD): $2,061.00

This is a great foundation for a mild performance build or a good upgrade for a worn out short block.
Chevy 383 Stroker Short Block 1 pc Rear Main
ATK SP15 Chevy 383CI Stroker Short Block -18cc Dish Piston 1pc Seal
Our Price (USD): $2,061.00

This short block is great for replacing a tired 350, or for getting more torque out of your hot rod.
Chevy 454 Short Block 4 Bolt Main 1 pc Rear Main
ATK SP06-HP Chevy 454CI Short Block Flat Top Pistons 1pc Seal
Our Price (USD): $2,061.00

This is a great foundation for a mild performance build or a good upgrade for a worn out short block.
ATK SP52 Crate Engine
ATK SP52 CHEVY 383CI Stroker Forged 3.7cc Flat Top Pistons
Our Price (USD): $2,199.00

This short block is great for replacing a tired 350, or for getting more torque out of your hot rod.  Your engine may not necessarily come with all components listed, but they are listed as our
Chevy 383 Stroker Short Block 4 Bolt Main 1 pc Rear Main
ATK SP35 Chevy 383CI Stroker Short Block -16cc Dish Pistons 4 Bolt Main 1pc Seal
Our Price (USD): $3,092.00

Bullet proof bottom end built to handle more power with its top of the line stroker kit.
Chevy LT1 Short Block 4 Bolt Main
ATK SP33 Chevy LT1 Short Block 4 Bolt Main
Our Price (USD): $3,599.00

This is a Bullet proof bottom end for your LT1 build, features one of the strongest stroker kits Scat makes.
Chevy 496 Stroker Short Block Crate Engine
ATK SP98 Chevy 489/496CI Stroker Short Block +20cc Dome Pistons 1pc Seal
Our Price (USD): $3,899.00

Bullet proof bottom end perfect for street or race builds, features one of the best forged stroker kits Scat makes.

We have swapped over to the later model Gen V 1991-1995 engine blocks as the foundation which has NO provisions for a mechanical fuel pump.
Chevy 496 Stroker Short Block Crate Engine
ATK SP41-1P Chevy 489/496CI Stroker Short Block +20cc Dome Pistons 1pc Seal
Our Price (USD): $4,099.00

Bullet proof bottom end perfect for street or race builds, features one of the best forged stroker kits Scat makes. This is our new version of our former #SP41. We have swapped over to the later model Gen V 1991-1995 engine blocks as the foundation which has NO provisions for a mechanical fuel pump.