Head package is designed around the 250 to 300rwkw - 24psi max boost
This is our most favoured setup amongst SR enthusiasts. Suiting s13/14/15
Chemical cleaned and cracktested, reface, new kline guides and multi angle seatjob.
Supertech valve seals and our race spring and moly retainer kit.
260 cfm portjob and superb exhaust flow allows a suitable combo for any style of racing SR.
Assembled as a complete bolt on unit
NOTE these units are custom built on order and we require youre head to build from.
We can supply core heads or sell as exchange EMAIL for details
Super freight to youre door any state.