Manley ID Valve Spring Locators 1.550in Spring OD 1.535in Cup OD .567in Cup ID (for 221432/221441P) - 42466-16

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...

Manley ID Valve Spring Locators 16pc .870in Spring OD .845in OD .555in ID (for man22160) - 42460-16

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...

Manley Mitsubishi (4G63-4G63T DOHC 16 Valve) 16pc Valve Springs (1.160/.870) - 22115-16

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 Mitsubishi 4B11T 16pc Valve Springs - 22195-16

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 Mitsubishi 4G63 00in/.775in Valve Spring (Single) - 22125-1

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 Mitsubishi EVO X (4B11T) Valve Spring and Retainer Kit (w/o Valve Locks) (16 each) - 26195

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 Mitsubishi Evo X 4B11Y 16pc Titanium Retainers - 23195-16

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 NexTek Drag Race Valve Springs for SuperStock and Competition Eliminator 1.500in OD Set of 16 - 221456-16

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 NexTek Series 1.500 OD .850 Lift Super Stock and Competition Eliminator Valve Spring Set - 221420-16

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 NexTek Series 1.570 OD .760 ID 1.190in Coil Bind H Valve Springs - Set of 16 - 221440P-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 NexTek Series 1.580 OD .832 ID .730 Lift Oval Track and Endurance Valve Springs - 221443-16

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 NexTek Series 1.640 OD .8602 ID .900 Lift Sportsman and Bracket Classes Valve Springs - 221425-16

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...