Mahle MS piston set for BBC 466ci high-compression variants supplies eight matched pistons for big-block Chevy engine projects. The pistons suit a 4.310 in bore, 4.000 in stroke, 6.385 in rod and 0.990 in pin, with a 48.0 cc crown volume producing around 13.0:1 compression. Extended specs show an individual piston mass near 634 g and include the alloy identifier 2618.
Mahle MS Piston Set BBC 466ci 4.310in Bore 4.00in Stroke 6.385in Rod .990 Pin 48cc 13.0 CR Set of 8