Mahle replacement piston for Chevrolet small block 357cid engines, listed as a single piston. Specifications include 4.040 bore, 1.125" compression height, 3.480/3.500 stroke compatibility, 6.125" rod, 0.927" pin, 11.1cc combustion volume, approximately 474g mass, and a 12.9:1 compression ratio as provided. Intended for engine rebuilds and matched to the listed dimensions.
Mahle MS Chevrolet Small Block 357cid 4.040 x 1.125CH 11.1cc 12.9CR Pistons - Single