Performance Valvetrain

Chevrolet Performance valve stem lock for Chevy V8 engines, single half. Features a 7-degree design for 11/32in valve stems with a single groove, standard height, made from steel with a natural...

Chevrolet Performance 19420455 LS6 LS9 Valve Spring Kit Upgrade your LS6 or LS9 engine with the Chevrolet Performance 19420455 LS6 LS9 Valve Spring Kit, designed for precision and reliability under...

Chevrolet Performance roller rocker arm for Small Block Chevy engines, single. Features a 3/8in stud mount, 1.5 ratio, full roller, self-aligning design, made from aluminum with a natural finish...

Chevrolet Performance aluminum rocker arm kit for Small Block Chevy engines, set of 16. Features 3/8in stud mount, 1.5 ratio, full roller, self-aligning design, made from aluminum with a natural...

Chevrolet Performance valve lock set for Small Block Chevy 604 crate engines with beehive springs, set of 8. Features a 10-degree design for 11/32in valve stems, single groove, standard height, made...

Chevrolet Performance lifter guide for LSX block, GM LS-Series, single pack. Made from plastic, designed for street or racing builds to ensure proper lifter alignment and operation. Enhances valve...

Chevrolet Performance valve spring retainer set for LT1/LT4 engines, GM LS-Series, set of 16. Features a 7-degree design with a 0.640in OD step, made from steel for a 1.320in single spring. Designed...

Chevrolet Performance rocker arm upgrade kit for Small Block Chevy engines, set of 16. Features 3/8in stud mount, 1.6 ratio, full roller, self-aligning design, made from aluminum with a natural...

Chevrolet Performance valve spring set for Small Block Chevy 602 crate engines, set of 16. Features single springs with a 256 lb/in rate, 1.200in coil bind, and 1.250in OD, designed for racing builds...

Chevrolet Performance hydraulic roller lifter for LS7 engines, GM LS-Series, single pack. Features a 0.842in OD, designed for street or racing builds to ensure smooth valve operation under high RPMs...

Chevrolet Performance rocker arm for GM LS-Series engines. Features a pedestal mount with a 1.7 ratio, full roller design, made from steel with a natural finish for durability. Designed for street or...

Chevrolet Performance offset intake rocker arm for LS7 engines, GM LS-Series. Features a pedestal mount with a 1.7 ratio, full roller design, made from steel with a natural finish for durability...