357cid 4.125 x 1.330CH 3.340stroke 6.000rod 0.927pin 13.6cc 485g 14.8CR 2618

Mahle Motorsport Piston Set for Small Block Chevy (SBC) ASCS 360 Sprint Dome engines (357 CID). Features a 4.125" bore, 1.330" compression height, 3.340" stroke, and 6.000" rod. Dome volume is 13.6cc, resulting in a 14.8:1 compression ratio with 64cc heads. Pistons are forged from high-strength 2618 low expansion aluminum alloy, weigh 485g each, and include anti-friction skirt coating, forced pin oilers, and CNC precision-machined pin bores. The set includes eight pistons, .927" high-quality steel wrist pins (128g, 58.1mm length, 23.55mm diameter, 0.188" wall thickness), performance 1.0mm, 1.0mm, 2.0mm file-fit performance ring set, and race-proven round wire locks. Oil rail supports are also included. Rings included are: UCR (1.0mm, 9254 Steel, HV385 coating), LCR (1.0mm, 9254 Steel, Phosphate coating), OCR (2.0mm, Chrome plated stainless steel, Standard tension). Pin style is floating.