4B11T Evo X Camshafts

GSC Power-Division billet S3 cams for the Mitsubishi Evo X are designed for those with 800+ HP in mind. Thoroughly tested in the English Racing/ETS Evo X to ET's as low as 8.35 at over 174mph in the 1/4 mile. 

• Designed for a rev range of 4500-9500 RPMs
• The S3 cams require an upgraded valve spring
• The S3 profile should be setup with either a 0° callout for exhaust MIVEC or with a fixed exhaust cam gear
• Forged billet core
• Made 100% in the USA

GSC Power-Division billet S2 cams for the Mitsubishi Evo X are designed for those with 600+ HP in mind. Gains of 40-80 WHP (depending on turbo) have been seen by simply bolting the S2 cams in.

• Designed for a rev range of 3800-8500 RPMs
• The S2 cams require an upgraded valve spring
• Forged billet core
• Made 100% in the USA

GSC Power-Division billet S1 cams for the Mitsubishi Evo X are designed for those with the stock turbo up to the 550 HP range. 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 20-50 WHP (depending on turbo) have been seen by simply bolting the S1 cams in. 

• Designed for a rev range of 3000-7500 RPMs
• The S1 cams work well on the stock valve springs
• Forged billet core
• Made 100% in the USA