Mahle MS forged piston set for SBM 416ci applications, supplied as a matched set of eight pistons. Each piston is specified for a 4.070 in bore with a 4.000 in stroke, 6.123 in rod length and a 0.984 in wrist pin; crown volume is -5.5cc and the listed compression ratio is about 11.8:1. Per the spec each piston weighs roughly 470 g and the material/code indicated is 4032, provided for matched mass and dimensional control.
Mahle MS Piston Set SBM 416ci 4.07in Bore 4.00in Stroke 6.123in Rod .984 Pin -5cc 11.8 CR Set of 8