Valve Springs, Retainers

Skunk2's industry-leading Alpha Titanium Retainers are designed to significantly reduce valvetrain mass, resulting in more horsepower and improved valvetrain stability. Similar to Skunk2's already popular Pro Series Titanium Retainers, Alpha Titanium Retainers feature radius-cut edges for additional rocker arm clearance and reduced weight, strategically...

Skunk2's industry-leading Alpha Titanium Retainers are designed to significantly reduce valvetrain mass, resulting in more horsepower and improved valvetrain stability. Similar to Skunk2's already popular Pro Series Titanium Retainers, Alpha Titanium Retainers feature radius-cut edges for additional rocker arm clearance and reduced weight, strategically...

Skunk2's industry-leading Titanium Retainers for Honda's K-series engines are designed to significantly reduce valvetrain mass, resulting in more horsepower and improved valvetrain stability. Unlink other retainers, Skunk2 Titanium Retainers feature radius-cut edges for additional rocker arm clearance and reduced weight, strategically positioned lightening grooves,...

Skunk2's industry-leading Titanium Retainers for Honda's B-series and H-series VTEC engines are designed to significantly reduce valvetrain mass, resulting in more horsepower and improved valvetrain stability. Unlink other retainers, Skunk2 Titanium Retainers feature radius-cut edges for additional rocker arm clearance and reduced weight, strategically...

Ferrea 17-18 Audi 2.5 TFSI Single Spring Kit

Single Inner Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right Metal stock and creating the best design is not done...

Ferrea 09-13 VW 2.0T TSI / 15-16 VW Golf R 2.0T TSI Single Spring Kit

Ferrea Acura K20 High Lift Drag Racing Dual Spring Kit

Ferrea BMW N54 Single Spring Kit

Ferrea Subaru WRX STI Endurance Dual Spring Kit

Ferrea Nissan GT-R VR38DETT Dual Spring Kit

Ferrea Acura K20 Drag Racing Dual Spring Kit

Ferrea Acura/Honda B18/B16 High Pressure Dual Spring Kit

GSC P-D Nissan RB26DETT/RB26 Cylindrical Valve Spring Kit

GSC P-D Toyota 2JZ Dual Valve Spring and Ti Retainer Kit

GSC P-D Subaru FA20 WRX/BRZ/FRS Dual Cylindrical Valve Spring Kit

GSC P-D Ford Raptor/Platinum/Limited Ecoboost 3.5L H.O. Conical Valve Spring and Ti Retainer Kit

GSC P-D Mitsubishi 4G63T High Pressure Conical Valve Spring and Ti Retainer Kit

GSC P-D Mitsubishi 4G63T Extreme Pressure Conical Valve Spring and Ti Retainer Kit

GSC P-D 2017+ Audi RS3 DAZA Beehive Valve Spring and Ti Retainer Kit (60PSI Max Boost)