Mahle MS Piston Set SBC 400ci 4.125in Bore 3.750in Stroke 5.7in Rod .927 Pin -5cc 11.5 CR Set of 8

Mahle pistons are designed as a completely finished drop-in forged piston assembly. They come with an included performance piston ring set. Mahle has over 80 years of piston manufacturing experience, from OEM to Formula 1 racing. These pistons utilize advanced technology, featuring anti-friction skirt coating for reduced drag and are forged from 4032 low-expansion aluminum alloy for high strength and reduced piston-to-wall clearance. They also incorporate forced pin oiling for increased wrist pin lubrication and CNC precision-machined pin bores. Included are .927" high-quality steel wrist pins (118g), performance 1.0, 1.0, 2.0mm rings, and race-proven round wire locks.