JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
100% Satisfaction Guarantee Since 1978 We stand behind our solutions and customers.
The ATK LM7-LB-3 GM LM7 383 Stroker 515HP Base is the first step in constructing your heavyweight car. Producing huge mid- to upper-end power along with noticeable idle, it delivers more than 515 horsepower and above 500 ft.lb torque for superior acceleration and muscle. This crate engine works with your existing components.
Engine Specifications:
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!