Product Details
Overview
DIAMOND PISTON SET - 4.125" BORE - 4.000" STROKE - 3cc VALVE RELIEFS - FLAT TOP - 0001781953
• 3D milling on piston crowns for ready to install finish
• Valve pockets designed to work with most aftermarket cylinder heads
• Offset pins for quiet operation
• Moly skirt coating for friction loss and skirt wear protection
• Top ring down dimension: .250”
• Ratios figured for .040 head gasket
• Premium 1.2mm/1.2mm/3.0mm ring package included
• Premium 8620 .185w wrist pins included
• Valve pocket depth: 0.178” intake and .108” exhaust
• 2618 material for high horsepower, nitrous, and forced induction applications



