Piston Kit

Mahle Pistons, Drag Series, BBC, Bore 4.600, Stroke 4.375, Rod Length 6.535, Dome 28cc, 594 Grams Advertised Weight, Set of 8 Pistons Included. Domes are compatible with popular 20° BBC cylinder heads and high lift, long duration cams. Dual coated and lateral gas ported. Focused attention on drag race-specific key stress areas. Mahle pistons were designed as a completely finished drop in forged piston assembly. .990' High-Quality Steel Wrist Pin (145g), and Race Proven Round Wire Locks are included. Performance .043, .043, 3.0mm file-fit performance ring set not included. Compression Ratio with 95cc Heads 16.3:1 Compression Ratio with 97cc Heads 15.9:1. Note: Oil rail supports included. For Brodix BP SR-20 & BRX, Dart Pro 1 20°, etc.