Engine Components - Valve Springs Retainers

Manley Valve Spring Retainers are engineered using finite element analysis and CNC machined to exacting tolerances to deliver unmatched strength and performance. These retainers reduce valvetrain mass, improve RPM potential, and ensure...

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 racing applications, these chrome-silicon alloy...

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving engines. Machined from aerospace-grade heat-treated 6AL-4V titanium, these retainers dramatically reduce valvetrain mass for...

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving engines. Machined from our special TI-17 Titanium alloy material, these retainers dramatically reduce valvetrain...

For those searching for a slightly more economical alternative to titanium retainers, either to help solve a wear problem or because of class rules, Manley lightweight H-13 Tool Steel retainers are your...

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving engines. Machined from aerospace-grade heat-treated 6AL-4V titanium, these retainers dramatically reduce valvetrain mass for...

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving engines. Machined from aerospace-grade heat-treated 6AL-4V titanium, these retainers dramatically reduce valvetrain mass for...

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 designed for demanding turbocharged and naturally aspirated applications, they...

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving engines. Machined from aerospace-grade heat-treated 6AL-4V titanium, these retainers dramatically reduce valvetrain mass for...

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 demanding race...

Manley TensileMax Steel Retainers combine exceptional strength, fatigue resistance, and wear durability in a lightweight design that approaches titanium retainer weights. Manufactured from a proprietary TensileMax alloy, precision CNC machined, heat treated,...

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 demanding race...

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 demanding race...

The Manley Street Master series delivers upgraded valve springs and components designed specifically for street-driven performance builds. Made from high-tensile chrome silicon steel with precision shot-peening and heat treatment for long life,...

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving engines. Machined from aerospace-grade heat-treated 6AL-4V titanium, these retainers dramatically reduce valvetrain mass for...

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving engines. Machined from aerospace-grade heat-treated 6AL-4V titanium, these retainers dramatically reduce valvetrain mass for...

Manley Performance Valve Spring Shims are precision-machined to accurately set installed valve spring height and achieve proper spring pressure for maximum performance and reliability. Manufactured from high-quality hardened steel, they provide a...

Manley Performance Valve Spring Shims are precision-machined to accurately set installed valve spring height and achieve proper spring pressure for maximum performance and reliability. Manufactured from high-quality hardened steel, they provide a...

Manley Performance Valve Spring Shims are precision-machined to accurately set installed valve spring height and achieve proper spring pressure for maximum performance and reliability. Manufactured from high-quality hardened steel, they provide a...

Manley Performance Valve Spring Shims are precision-machined to accurately set installed valve spring height and achieve proper spring pressure for maximum performance and reliability. Manufactured from high-quality hardened steel, they provide a...

Manley Performance Valve Spring Shims are precision-machined to accurately set installed valve spring height and achieve proper spring pressure for maximum performance and reliability. Manufactured from high-quality hardened steel, they provide a...

Manley Performance Valve Spring Shims are precision-machined to accurately set installed valve spring height and achieve proper spring pressure for maximum performance and reliability. Manufactured from high-quality hardened steel, they provide a...

Manley Performance Valve Spring Shims are precision-machined to accurately set installed valve spring height and achieve proper spring pressure for maximum performance and reliability. Manufactured from high-quality hardened steel, they provide a...

Manley Performance Valve Spring Shims are precision-machined to accurately set installed valve spring height and achieve proper spring pressure for maximum performance and reliability. Manufactured from high-quality hardened steel, they provide a...