Manley 16pc NexTek Drag Race/Oval Track & Endurance Valve Springs - 221452SF-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 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 32pc 7 Degree Stock Height Steel Retainer for Manley 221418 - 23604-32

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 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 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 7 Degree +.050in Height 16pc Steel 4140 Chromoly Steel Spring Retainers - 23610-16

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 +.050in Height 16pc Steel 4140 Chromoly Steel Spring Retainers - 23652-16

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 +.060 Titanium Retainers - Set of 16 - 23667-16

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 +.060 Titanium Retainers - Set of 32 - 23667-32

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 +.060 Titanium Retainers - Single - 23667-1

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 +.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 1.250in Spring OD 16pc Steel Valve Spring Retainers for Manley 22409 / 22410 / 22411 - 23651-16

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...