Manley 7 Degree 1.437in / 1.550in Spring OD 16pc Steel Valve Spring Retainers - 23645-16

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...

Manley 10 Degree +.060in 16pc Steel Valve Spring Retainers - 23635-16

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...

Manley 7 Degree STD 16pc Titanium Retainers for Manley 221430 - 23629-16

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...

Manley 7 Degree 32pc Titanium Valve Spring Retainers (for 13089 or Factory Valve Lock) - 23627-32

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 7 Degree 16pc Std. Titanium Valve Spring Retainers (for 13089 or Factory Valve Lock) - 23627-16

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...

Manley 7 Degree 16pc Stock Height Titanium Retainers - 23622-16

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...

Manley 7 Degree +.050 16pc Steel Retainers for Manley 13098 - 23621-16

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...

Manley 16pc 10 Deg Titanium Retainers for .615in/.900in ID Springs - 23619-16

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...

Manley 7 Degree 16pc Titanium Retainers for Manley 13093 - 23613-16

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...

Manley 16pc Steel Retainers for Manley 221431 - 23612-16

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...

Manley 7 Degree +.070in Height 32pc Steel H-13 Tool Steel Spring Retainers for Manley 221419 - 23605TS-32

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...

Manley 7 Degree STD 32pc Titanium Retainers for Manley 221419 - 23605-32

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...