Ferrea Valve Spring Kit (K-Series) Retainer Material:Titanium or with a medium-boost turbo

or with a medium-boost turbo or supercharger setup

Not only does this save you time during the cam degree process

The pan features anti-slosh baffles and a trap door to keep oil at the pickup of your 4P Ported K20/K24 Oil Pump

Skunk2 ETBs come with all necessary hardware and a Skunk2 thermal gasket for easy Bolt-On Plug-N-Play installation

Select Pair if you need both Intake and Exhaust

Ferrea Valve Spring Kit (K-Series) Retainer Material:Titanium or with a medium-boost turboThe KT4004 kit uses a S10100 valve spring is recommended for all applications where you are using a larger aftermarket cam, including road racing. Max recommended lift on this spring is . 600" and max recommended RPM is 9500. The S10149 Spring is for use with very high lift cams and in applications where high spring pressure is necessary. Also recommended for 1000hp+ turbo SFWD Applications. Kits include spring bases, valve springs, titanium