GSC Power-Division Billet Evolution X S3 Camshafts

The 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