Piston Kit

Mahle Drag Series BBC pistons (set of 8), forged dome, 4.610 bore, 4.375 stroke, 6.535 rod length, 28cc dome, 599 grams advertised weight. Compatible with popular 20° BBC cylinder heads and high lift, long duration cams. Feature dual coating, lateral gas porting, and are designed for drag race-specific stress areas. Come as a finished drop-in forged piston assembly. Forged from 2618 aluminum alloy. Include anti-friction skirt coating, forced pin oiler, CNC precision-machined pin bores, .990" high-quality steel wrist pin (145g), and race-proven round wire locks. Performance .043, .043, 3.0mm file-fit performance ring set is *not* included. Compression Ratio with 95cc Heads: 16.4:1; with 97cc Heads: 16.0:1. Oil rail supports included. Suitable for Brodix BP SR-20 & BRX, Dart Pro 1 20°, etc.