
Build a competitive LS3 race engine with CP Pistons BLS1152-005 Bullet Race Series forged flat top pistons designed for 377ci combinations using AFR LS3 12-degree cylinder heads. Featuring a 4.070-inch bore, -3.8cc flat top design, and a 1.300-inch compression height, these pistons are engineered for precise geometry and high-RPM race performance.
Manufactured from CP Pistons’ premium forged aluminum and optimized for reduced mass and extreme strength, the Bullet Race Series is intended strictly for competition use. Ideal for drag racing and serious motorsports builds, the BLS1152-005 piston set delivers consistent machining accuracy, reliable durability under extreme conditions, and proven race-ready performance.