Valve Springs, Retainers

S Type: These lifters have a very slow leak down and will act like solid lifters maintaining full cam lift at all RPMS, allowing for much more RPM range and higher spring pressures

Skunk2's industry-leading Alpha Titanium Retainers for the Honda D Series engines are designed to significantly reduce valvetrain mass, resulting in more horsepower and improved valvetrain stability. Similar to Skunk2's already popular Pro Series...

Manley Performance Kit-RET-TI 1.660 TRP 10 D - Spring Retainer

Supertech Titanium Retainer for SPR-H1000 Series - Set of 16

Manley Spring Retainer, RET-TI 1.340 7 DEG LT4 INT/EXH.

GSC P-D Mitsubishi 4G63 Conical Titanium Retainer Set

Supertech Audi 2.5T FSI Beehive Valve Springs - Set of 16

Supertech Titanium Retainer for SPR-TS1015 Subaru STI (Under The Bucket Shim) - Set of 16

S&S Cycle Valve Spring KitThis Part Fits:YearMakeModelSubmodel1997-2004Harley-DavidsonFLHR Road KingBase1998-2004Harley-DavidsonFLHRCI Road King ClassicBase1996-1997,2000-2004Harley-DavidsonFLHRI Road KingBase2004Harley-DavidsonFLHRS Road King...

S&S Cycle Intake Runner Conical Nylon 2 Pack Cover Air Filter

S&S Cycle 84-99 BT 3-1/2in Bore 5.550in 4-1/4in Stroke Cylinder Kit - BlackThis Part Fits:YearMakeModelSubmodel1980-1984Harley-DavidsonFLHS Electra Glide SportBase1980-1983Harley-DavidsonFLT Tour GlideBase1977-1982Harley-DavidsonFXS Low...

S&S Cycle 96in Displacement & up Series 72 LS/Super Gas/Alcohol/2T .096in Main Jet

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 your solution! H-13 tool steel allows for better...

Supertech Polaris XP900 Dual Valve Spring Kit

Supertech Seedoo 4TEC Single Valve Spring Kit