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.
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!