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Dominate the streets and strips with sheer power by installing this ATK SP78 Chevy LM7 383CI Short Block. It is designed for naturally aspirated engines of up to 700 horsepower, making it suitable for hardcore rides. The short block is internally balanced and comes with premium-quality forged parts to deliver reliable performance.
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!
To get $10 OFF your order!