GSC Stage 1 Springs Set Uses factory spring seat and retainer Beehive Valve Springs Mitsubishi EVO 7 / 8 / 9 | 5039 120 Don't trust your factory gauge

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

Carbon Fiber Wrapped Muffler

For use on turbo-charged and super-charged applications (Paxton

or three 21/6in (52mm) gauges in style

Walbro's specific setup kit makes installation a cinch

GSC Stage 1 Springs Set Uses factory spring seat and retainer Beehive Valve Springs Mitsubishi EVO 7 / 8 / 9 | 5039 120 Don't trust your factory gaugeStage 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