Manley 03-06 EVO VIII/IX 85.5mm STD Bore 10.5:1 Dish Piston Set with Ring adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power. Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.Unique Fixturing: Manley’s unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.
 
94mm STROKER (2.1L)
2618 high strength material; Lightweight design with offset wrist pin for quiet start-ups
.150” wall x 2.250” length Premium Chrome Moly pin (Standard Series – P/N 42251) included .866”/22mm
9310 alloy .210” wall pin (Included with Extreme Duty Series – P/N 42551)
Pressure balance groove
Will accommodate +1mm valve sizes
Premium Steel top rings with Napier seconds and round wire locks included
 
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