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LS Shortblocks

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 LS Shortblocks are most commonly packaged as the engine block assembled with Pistons, Piston Rings and Crankshaft installed.
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Chevy LQ4 6.0L Short Block
ATK SP19 Chevy LQ4 6.0L Short Block OE Dish Pistons
Our Price (USD): $2,940.00

Great foundation for mild street build, or just replacement for a tired short block. more info
Chevy LQ9 6.0L Short Block
ATK SP19-F Chevy LQ9 6.0L Short Block OE Flat Top Pistons
Our Price (USD): $2,940.00

Great foundation for mild street build, or just replacement for a tired short block. more info
Chevy LM7 5.7/347 Short Block 24 Tooth Reluctor Wheel
ATK SP75 LM7 5.3/5.7 Short Block -3.2cc Flat Top Pistons 24 Tooth
Our Price (USD): $3,240.00

This short block is built for Naturally Aspirated engines up to 700HP more info
Chevy LM7 5.7/347 Short Block 24 Tooth Reluctor Wheel
ATK SP76 LM7 5.3/5.7 Short Block -11cc Dished Pistons 24 Tooth
Our Price (USD): $3,284.00

This short block is built for Naturally Aspirated engines up to 700HP more info
Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel
ATK SP77 LM7 383CI Short Block -8cc Dished Pistons 24 Tooth
Our Price (USD): $4,087.00

This short block is built for Naturally Aspirated engines up to 700HP more info
Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel
ATK SP78 LM7 383CI Short Block -15cc Dished Pistons 24 Tooth
Our Price (USD): $4,087.00

This short block is built for Naturally Aspirated engines up to 700HP more info
Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel
ATK SP79 LM7 383CI Short Block -32cc Dished Pistons 24 Tooth
Our Price (USD): $4,087.00

This short block is built for Naturally Aspirated engines up to 700HP more info
Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel
ATK SP80 LM7 383CI Short Block -3cc Flat Top Pistons 24 Tooth
Our Price (USD): $4,087.00

This short block is built for Naturally Aspirated engines up to 700HP more info
Chevy LS 364 Stroker Short Block 24 Tooth Reluctor Wheel
ATK SP93-G4 LS 370CI Short Block -3.2cc Flat Top Pistons 24 Tooth
Our Price (USD): $4,510.00

This short block is built for all motor builds with higher compression but with the option of running pump gas it will hold up to 700HP. more info
Chevy LS 364 Stroker Short Block 24 Tooth Reluctor Wheel
ATK SP94-G4 LS 370CI Short Block -11cc Dish Pistons 24 Tooth
Our Price (USD): $4,566.00

This short block is built for all motor builds with higher compression but with the option of running pump gas it will hold up to 700HP. more info