The Mahle MS piston set is a matched eight-piston package for GM LS 363 cid applications. Each piston is specified for a 3.800-inch bore with a 4.000-inch stroke and pairs with a 6.125-inch connecting rod and 0.927-inch wrist pin. The pistons have a -16cc crown volume, weigh about 365 g each and yield roughly a 9.4:1 compression ratio; sold as a set of eight.
Mahle MS Piston Set GM LS 363ci 3.800in Bore 4in Stroke 6.125in Rod .927 Pin -16cc 9.3 CR Set of 8