The Mahle MS piston set is a matched eight-piece kit for a 461 cid application, sized to a 4.155" bore with a 4.250" stroke, 6.800" rod and 0.990" pin. The pistons are listed with a -6.4cc crown volume producing roughly a 10.9:1 compression ratio per the product data and are supplied as a balanced set suitable for engine rebuilds requiring these specific dimensions.
Mahle MS Piston Sets 461c.i. 4.155bore 4.250stroke 6.8rod 1.285c/h 0.990pin -6ccvol 510g 11.0c/r