Valve Springs, Retainers

Skunk2's high-quality Spring Bases for Honda's H-series VTEC engines are designed to allow any H-series VTEC cylinder head to accept Skunk2's higher-performance, Pro Series Valve Springs and Titanium Retainers originally designed for B-series engines...

Skunk2's high-quality Spring Bases for Honda's K-series engines are designed to allow any K-series cylinder head originally equipped with single valve springs to accept higher-performance, dual valve springs, like those from Skunk2. Each Spring Base is...

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

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

Manley Spring Cup .567in Locator ID 1.535in Locator OD 0.062in Thickness - for Manley 221432/221441P

Manley Spring Cup 1.677in Spring OD 1.750in Cup OD .570in Cup ID

Manley Spring Cup .635in ID 1.535in OD Valve Spring Locator (For 221420/55/56/57/60/61)

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

Manley Valve Spring Seat, SPRING CUP-ID 1.311.

Manley Valve Spring Locators - Spring OD 1.550in / ID .635in - Set of 16

Manley Cylinder Head Spring Seat Cutter 1.690in OD .570in ID w/ 11/32in Pilot

Manley Spring Retainer, RET-TI FOR 221427 and 221434 SPRNG +.060.

Manley 7 Degree +.050in Height 16pc Steel 4140 Chromoly Steel Spring Retainers

Manley 7 Degree 1.250in Spring OD 16pc Steel Valve Spring Retainers for Manley 22409 / 22410 / 22411

Manley 7 Degree 1.437in / 1.550in Spring OD 16pc Steel Valve Spring Retainers