The GSC Power-Division billet S1 cams for the Mitsubishi Evo 4-8 are designed for those with the stock turbo up to the 550 WHP stock location or aftermarket turbo kits. 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 30-55 WHP (depending on turbo) have been seen by simply bolting the S1 cams in. GSC Power-Division 4-8 S1 Camshafts Everything aboutgsc power shop revolves around our commitment to help you choose the right product for your application . We have been operating for over 20 years in the aftermarket performance industry and we have managed to build up a reputable establishment online. We have a great team and aim to grow our business more and more, offering our customers the best Products. If you have any questions about our products, or if would like to check the availability of an item, please use the “Contact Us” page to get in touch. GSC Power-Division 4-8 S1 Camshafts
Designed for a rev range of 3000-7500 RPMs
These cams work well on the stock valve springs with lower boost and RPM goals
Idle is slightly rougher than stock
Made 100% in the USA
**If using aftermarket cam gears (especially AEM) check the bolt length. Some cam gears are too thick for the OEM bolt on the billet cams, a 40mm underhead length bolt may be necessary in this case**
