Stock 3.650” Stroke Pistons +3.75cc DOME (11.0:1)
* 2618 high strength material; Lightweight design
* Perfect ring groove to skirt squareness
* Offset wrist pin design for quiet start-ups
* Pressure balance groove
* Round wire locks
* 1.2, 1.2, 3mm ring package
* .200” deck thickness, .225” down top ring
* Will accommodate +1mm valve sizes
* Extreme Duty Series: 9310 Alloy P/N 42507 (2.500” x .210” wall, 22mm/.866” dia., 138 grams)
floating wrist pins