21Aug2026
Cole Reynolds is building a lightweight, LS swapped LUV truck, featuring a Boostline Performance 388 LS engine, and actively competes in autocross events.
The Boostline 5.7 proves you don't need a huge budget to make serious LS power. BTR's canted-valve heads pushed this mild 346ci combo to an impressive 571 horsepower.
BTR canted valve heads put NASCAR canted valve tech into an LS-compatible package. Over 360 CFM at .650" lift. Here's what to know.

