Manley 03-06 EVO VIII/IX 85mm STD Bore 8.5:1 Dish Piston Set with Rings

This is a set of forged pistons for the Mitsubishi Lancer Evolution VIII and IX. They feature an 85mm standard bore, 8.5:1 compression ratio, and a dish design. The set includes rings. The Extreme Duty version (618000CE-4) is forged from 2618 high strength material, with a lightweight design and offset wrist pin for quiet start-ups, and includes a pressure balance groove. Premium .150" wall x 2.250" length Chrome Moly pin, Steel top ring sets, and round wire locks are included. Recommended piston clearance is .0035" measured 1.100" from the bottom of the oil ring. Made for +1mm valve sizes.