Manley Spring Cup 0.440in Locator ID 1.080in Locator OD 0.045in Thickness - for Manley 221419 - 42153-32

Manley Spring Cup 0.440in Locator ID 1.080in Locator OD 0.045in Thickness - for Manley 221419

Manley Spring Cup 1.677in Spring OD 1.750in Cup OD .570in Cup ID - 42372-16

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

Manley Springs Single Hemi - 221431-16

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 demanding race conditions. That means more consistent...

Manley Springs Single Hemi Drag Pak - 221431X-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 demanding race conditions. That means more consistent...

Manley Standard .2165in Stem Valves (5.5mm) Wear Caps (8 pcs) - 42263-8

Manley Standard .2165in Stem Valves (5.5mm) Wear Caps (8 pcs)

Manley Standard .2360in Stem Valves (5.5mm) Wear Caps (8 pcs) - 42264-8

Manley Standard .2360in Stem Valves (5.5mm) Wear Caps (8 pcs)This Part...

Manley Standard .2740in Stem Valves (7mm) Wear Caps (8 pcs) - 42100-8

Manley Standard .2740in Stem Valves (7mm) Wear Caps (8 pcs)This Part Fits:YearMakeModelSubmodel1997-2000FordF-150Base2007-2008FordF-150FX22005-2008FordF-150FX42002-2003,2006-2008FordF-150Harley-Davidson Edition2005-2008FordF-150King...

Manley Standard .2740in Stem Valves (7mm) Wear Caps (8 pcs) - 42118-8

Manley Standard .2740in Stem Valves (7mm) Wear Caps (8 pcs)This Part Fits:YearMakeModelSubmodel1997-2000FordF-150Base2007-2008FordF-150FX22005-2008FordF-150FX42002-2003,2006-2008FordF-150Harley-Davidson Edition2005-2008FordF-150King...

Manley Standard .310in Stem Valves (7.87mm) Wear Caps (8 pcs) - 42139-8

Manley Standard .310in Stem Valves (7.87mm) Wear Caps (8 pcs)

Manley Steel Guide Plate Ford 302 Boss / 351C Modified w/ 3/8in Pushrod - Set of 8 - 42156-8

Upgrade your valvetrain with this high-performance set of guide plates. The heat-treated steel construction and black oxide finish deliver rock-solid alignment and long-term durability. Whether you’re building a serious street machine or a race-ready...

Manley Steel Guide Plate Single Big Block Chevy w/ 3/8in Pushrod - 42164-1

Upgrade your valvetrain with this high-performance set of guide plates. The heat-treated steel construction and black oxide finish deliver rock-solid alignment and long-term durability. Whether you’re building a serious street machine or a race-ready...

Manley Steel Guide Plates Ford 289/302W/351W (Pre-1977 Heads) w/ 5/16in Pushrods - Set of 8 - 42152-8

Upgrade your valvetrain with this high-performance set of guide plates. The heat-treated steel construction and black oxide finish deliver rock-solid alignment and long-term durability. Whether you’re building a serious street machine or a race-ready...