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Create a garage-made street beast with this ATK SP39-G4 Chevy LQ9 Gen IV 408 Stroker Short Block. Designed to handle 700 horsepower, it suits high compression ratio engines that run on race gas. This short block comes with fully forged crankshaft, connecting rods and pistons to survive high-powered performance.
Short Block Specification
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.
ATK specializes in muscle. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty.
Don't forget the engine paint!