SR20DET Cylinder Head Package – Stage 3 (700-1000hp ).

Our Race Port R Package increases horsepower and torque throughout the RPM range. We have several SR20DET customers world wide running this Race Port "R" package of ours. Making in excess of 700bhp. And are driven on the street, taken to the track and make some seriously good torque and horsepower numbers on the dyno. Included in this package is the following: – Full tear down, sand blast and clean ALL parts of cylinder head including oil passages. - Race Port. – SuperTech Black Nitrided Intake Valves. - SuperTech Inconel Exhaust Valves. – SuperTech Valve Stem Seals. - GSC Valve Guides. – SuperTech Dual Valve Spring Kit With Titanium Retainers (select your spring seat pressure in drop down). - Tomei Solid Lifter Kit. - Tomei Shim Kit. - Tomei Rocker Arm Stopper Kit. - Chrome Molly Valve Locks/Keepers. – Valve Clearance for camshaft (customer supplied cams or we can supply a set of cams to suit your plans). - Our Proprietary CNC Race Port "R". - Chambers porting and polishing. – Our Proprietary Multi Angle Valve Seats Machine Cut – Skim, clean, inspect and final assembly. A Core charge will apply if you cannot supply your good core cylinder head. Any repair work to your cylinder (supplied by you) will be charged in addition to this package. If you have any questions regarding the options or this head package please do not hesitate to message or email us.