Earl's Oil Fill Cap w/ PCV Vent Adapters - NPT The S-Type II systems use

The S-Type II systems use an advanced muffler design to eliminate sound frequencies are often associated with resonance or drone

you can use our roll center spacers to get your roll center back where it should be and have the car roll less and take full advantage of that lower center of gravity

Assembled with upper and lower bushings (stock Ford distributors have only a single bushing)

these 10 degree retainers are designed specifically 1

a new rubber shift boot and black console top plate with the famous Hurst shifter "H" logo giving your interior that custom performance look

Earl's Oil Fill Cap w/ PCV Vent Adapters - NPT The S-Type II systems useThese late model valve cover fill caps screw into the valve cover like an ordinary cap. These caps feature a baffle & 10 ORB (7 8" 14 Straight Thread O Ring Style Port) for use w AN O Ring Fitting (or Port hose end) & AN hose to the catch tank or PCV. These caps eliminate the need to modify your valve covers when adding a catch tank to your racing engine (required by most sanctioning bodies in racing applications). Choose from two versions w one that