The Mahle piston set for Chevy 400ci is a complete set of eight pistons intended for an approximate 379 cid build as described in the listing. The product notes a 4.165 in bore, corresponding rod and stroke details and a 12.3:1 compression ratio in the title; supplied as a set of eight pistons for eight-cylinder engine assemblies matching the specified dimensions.
Mahle Piston Set Chevy 400ci 4.165in Bore 3.750in Stroke 6.0in Rod 12.3:1 CR Piston Set of 8