The GSC Power-Division S1 cams for the Mitsu Evolution 4-8 are designed for those with the stock turbo up to the GT30/50Trim. These cams will not sacrifice any bottom end loss over stock cams; nothing but gains and will promote faster spooling of the upgraded turbos. Gains of 30-55whp (depending on Turbo) have been seen by simply bolting the S1 cams in. Designed for a rev range of 3000-8000rpms, these cams work well on the stock valve springs. 300-450whp camshaft. Idle is slightly rougher than stock.

S1 Specs gsc-7008S1

  • Intake 268 Duration 11mm peak lift, 107 degree Centerline
  • Exhaust 268 Duration 10.50mm Peak Lift, 113 degree Centerline

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

GSC

GSC Power-Division is a leading manufacturer of high-performance valvetrain components for turbocharged and high-performance engines. Specializing in camshafts, valve springs, and retainers, GSC products are engineered to improve power, reliability, and efficiency. Trusted by enthusiasts and professionals worldwide, GSC Power-Division delivers cutting-edge solutions for both street and motorsport applications.

View More GSC Products