Mahle MS piston set for BBC 460ci applications is an eight-piece matched piston kit for high-displacement Chevy engines. These pistons fit a 4.280 in bore, pair with a 4.000 in stroke and 6.385 in rod, use a 0.990 in pin and feature a 28.0 cc crown volume for about 10.5:1 compression. Extended specs note a piston mass near 587 g and reference the 2618 alloy designation.
Mahle MS Piston Set BBC 460ci 4.280in Bore 4.00in Stroke 6.385in Rod .990 Pin 28cc 10.4 CR Set of 8