Manley Ford 5.0L DOHC Coyote NexTek Series High Performance Valve Spring - SINGLE - 221418-1

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 Ford 5.0L DOHC Coyote NexTek Series High Performance Valve Springs (4 valves per cylinder) - 221418-32

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 Ford 5.0L DOHC Coyote NexTek Series High Performance Valve Springs (4 valves per cylinder) - 221419-32

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 Ford/Mazda 2.0L/2.3L/2.0L 16pc Valve Spring Kit - 22200-16

Engineered for today’s high-revving sport compact engines, Manley valve springs deliver exceptional durability, precise control, and consistent performance. Manufactured from premium alloys and...

Manley GM LS Series .660in Max Lift Valve Spring and Retainer Kit - 26362134KS

Manley Performance LS & LT NexTek® valve spring kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and...

Manley GM LS Series .660in Max Lift Valve Spring and Retainer Kit - 26362334KS

Manley Performance LS & LT NexTek® valve spring kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and...

Manley GM LS Series Super Finished H.P. Valve Springs .650 Max Lift (16 Pieces) - 221438-16

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 Honda (B18A/B - Non V-Tec) 16pc Titanium Retainers - 23120-16

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving sport compact engines. Machined from aerospace-grade...

Manley Honda (F20C F22C) 16pc Titanium Retainers - 23150-16

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving sport compact engines. Machined from aerospace-grade...

Manley Honda (F20C F22C) 16pc Valve Springs - 22150-16

Engineered for today’s high-revving sport compact engines, Manley valve springs deliver exceptional durability, precise control, and consistent performance. Manufactured from premium alloys and...

Manley Honda (H33 V-Tec) 16pc Valve Springs - 22110-16

Engineered for today’s high-revving sport compact engines, Manley valve springs deliver exceptional durability, precise control, and consistent performance. Manufactured from premium alloys and...

Manley Honda (K20A K20Z) 16pc Titanium Retainers - 23140-16

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving sport compact engines. Machined from aerospace-grade...