Manley 42374-16 Manley Valve Spring Cups and Locators Leaf Spring Bushings Lightweight retainers reduce reciprocating mass

Lightweight retainers reduce reciprocating mass

Ready to let your modular V8 breathe

Each cam includes a detailed cam card with installation specifications and timing events

Improved rear visibility and a sportier profile

Heavy-duty silicone couplers and T-bolt clamps are included for leak-free connections rated to 40+ psi

Manley 42374-16 Manley Valve Spring Cups and Locators Leaf Spring Bushings Lightweight retainers reduce reciprocating massThe Manley 42374 16 Manley Valve Spring Cups and Locators provide the required spring pressure for aggressive cam profiles without coil bind or surge at high RPM. Manley Professional valve springs are wound from proprietary wire stock and heat set to prevent pressure loss over time. Part 22690 is configured for its specific application with attention to fitment requirements. Each spring is tested for installed height pressure, open pressure, and coil