The Mahle MS piston set for GM LSX 415 cid applications supplies eight pistons cut for a 4.065" bore with a 4.000" stroke. They feature a 1.110" ring design, 6.125" rod length and .927" wrist pin, with a -14.0cc crown volume and an approximate 10.2:1 compression ratio. Listed piston mass is about 423g and the set is intended for complete V8 builds.
Mahle MS Piston Set GM LSX 415cid 4.065x1.110RCH 4.0 Stk 6.125in Rod .927 Pin -14cc 10.2CR Set of 8