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The Mahle MS piston set is a matched eight-piston package for GM LS 329 cid applications. Each piston is specified for a 3.800-inch bore with a 3.622-inch stroke and pairs with a 6.098-inch connecting rod and 0.945-inch wrist pin. The pistons feature a -4.2cc crown volume, weigh about 414 g each and result in roughly a 9.8:1 compression ratio; sold as a set of eight.
Mahle MS Piston Set GM LS 329ci 3.800in Bore 3.622 Stk 6.098 in Rod .945 Pin -4cc 10.3 CR Set of 8
