GSC Stage 1 Springs Set Uses factory spring seat and retainer Beehive Valve Springs Mitsubishi EVO 7 / 8 / 9 | 5039 120 These pads are excellent for

These pads are excellent for the occasional HPDE/track day or for the very competitive autocross driver

This transmission mount has a harder durometer polyurethane that'll help firm up the slop that the WRX is notorious for in the drivetrain/shifter areas

Don't trust your factory gauge for important monitoring of engine functions

If the lining rivets on either side of the disc have made contact with the flywheel or pressure plate face

GSC Stage 1 Springs Set Uses factory spring seat and retainer Beehive Valve Springs Mitsubishi EVO 7 / 8 / 9 | 5039 120 These pads are excellent forStage 1 Beehive Springs: Single Beehive valve spring set uses the factory spring seat and the factory retainer. This is a great option for those wanting to run our S1 or S2 camshafts on a street application, or anyone wanting to run more than 11mm of lift on the intake and 10. 6mm on the exhaust. RPM limit 9,000 Stage 2 Beehive Springs: Single Beehive valve spring set, includes new 4340 Chro molly spring seats and Titanium Retainer set. This kit is