Manley Nissan RB26DETT Valve Spring and Retainer Kit (w/o Valve Locks) (24 each) - 26175

Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and...

Manley Nissan SR20DE/SR20DET Valve Spring and Retainer Kit (w/o Valve Locks) - 26165

Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and...

Manley Nissan VQ35DET Valve Spring and Retainer Kit (w/o Valve Locks) (24 each) - 26170

Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and...

Manley Oval Track Chrome Silicone Double w/ Damper 16pc Valve Springs 1.550 OD - 22441-16

The Manley Professional Series Valve Springs are engineered for serious performance builders and racers who demand reliable high-RPM control and long-lasting durability. Built from premium...

Manley Oval Track Chrome Silicone Outer w/ Damper 16pc Valve Springs 1.250 OD - 22410-16

The Manley Professional Series Valve Springs are engineered for serious performance builders and racers who demand reliable high-RPM control and long-lasting durability. Built from premium...

Manley Oval Track NexTek Series 1.56in Dia .750in lift High Performance Valve Springs (Set of 16) - 221442-16

From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most...

Manley Oval/Drag Chrome Silicone Double w/ Damper 16pc Valve Springs 1.550 OD/.725 ID - 22431-16

The Manley Professional Series Valve Springs are engineered for serious performance builders and racers who demand reliable high-RPM control and long-lasting durability. Built from premium...

Manley Pro Stock / Fuel / Alcohol NexTek Series Drag Race Valve Springs - 221450-16

From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most...

Manley Small Block Chevy LS Series .600in Lift Single NexTek High Perf Valve Springs - 221428-16

From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most...

Manley Small Block Chevy LS Series .700in Lift Single NexTek High Perf Valve Springs - 221435-16

From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most...

Manley Small Block Chevy LS Series 1.335 Double NexTek High Perf Valve Springs - 221422-16

From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most...

Manley Spring Cup .505in ID 1.270in OD Valve Spring Locator (For 221436-16) - 42334-16

Manley Performance Valve Spring Cups provide a precision-machined, durable foundation for valve springs while protecting the cylinder head from spring wear. Manufactured from premium materials and...