Home > GM Crate Engines > LS Short Blocks > LS3 Short Blocks
The LS3 engines were produced for the 2008-2013 Camaros and Corvettes. The LS3 is a popular engine swap with its larger displacement and light weight aluminum block that will support big power! The LS3 engines are very popular engines to swap into Muscle cars and any other LS Swap vehicle.
Sort By:
Page of 1
ATK SP67 Chevy LS3 415 Stroker Short Block 24 Tooth Reluctor Wheel Crate Engine
ATK SP67 LS3 415CI Stroker Short Block -10cc Dish Pistons 24 Tooth
Our Price (USD): $5,150.00

This short block is built for all motor builds with higher compression but will still run on pump gas it will hold up to 700HP.
ATK SP68 Chevy LS3 415 Stroker Short Block 24 Tooth Reluctor Wheel Crate Engine
ATK SP68 LS3 415CI Stroker Short Block -18cc Dish Pistons 24 Tooth
Our Price (USD): $5,150.00

This short block is built with a mild compression ratio great for easy tuning on pump gas or running a small shot of nitrous. If used with nitrous there will be no warranty as there is more room for error with nitrous systems and tuning.
ATK SP69 Chevy LS3 415 Stroker Short Block 24 Tooth Reluctor Wheel Crate Engine
ATK SP69 LS3 415CI Stroker Short Block -4cc Flat Top Pistons 24 Tooth
Our Price (USD): $5,150.00

This short block is built for all motor builds with higher compression requiring race gas it will hold up to 700HP.
ATK SP70 Chevy LS3 415 Stroker Short Block 24 Tooth Reluctor Wheel Crate Engine
ATK SP70 LS3 415CI Stroker Short Block -29cc Dish Pistons 24 Tooth
Our Price (USD): $5,150.00

This short block is built with lower compression perfect for superchargers or turbochargers also will handle up to 700hp.
ATK SP71 Chevy LS3 415 Stroker Short Block 58 Tooth Reluctor Wheel Crate Engine
ATK SP71 LS3 415CI Stroker Short Block -10cc Dish Pistons 58 Tooth
Our Price (USD): $5,150.00

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.
ATK SP72 Chevy LS3 415 Stroker Short Block 58Tooth Reluctor Wheel Crate Engine
ATK SP72 LS3 415CI Stroker Short Block -18cc Dish Pistons 58 Tooth
Our Price (USD): $5,150.00

This short block is built with a mild compression ratio great for easy tuning on pump gas or running a small shot of nitrous. If used with nitrous there will be no warranty as there is more room for error with nitrous systems and tuning.
ATK SP73 Chevy LS3 415 Stroker Short Block 58Tooth Reluctor Wheel Crate Engine
ATK SP73 LS3 415CI Stroker Short Block -4cc Flat Top Pistons 58 Tooth
Our Price (USD): $5,150.00

This short block is built for all motor builds with compression ratios that way require race gas; it can handle up to 700HP.
ATK SP74 Chevy LS3 415 Stroker Short Block 58Tooth Reluctor Wheel Crate Engine
ATK SP74 LS3 415CI Stroker Short Block -29cc Dish Pistons 58 Tooth
Our Price (USD): $5,150.00

This short block is perfect for supercharged or turbocharged engine builds with its lower compression ratios; it can handle up to 700HP.