Mahle MS piston set for GM LSX 418 cid applications is a matched eight-piston kit specified for this displacement. Listed dimensions include 4.080" bore, 4.000" stroke, 6.125" rod, 0.927" pin diameter, -5.8cc piston volume and a stated compression ratio near 11.2:1 with per-piston mass around 443g. Supplied as a complete set of eight for V8 builds.
Mahle MS Piston Set GM LSX 418cid 4.080x1.110RCH 4.000 Stk 6.125 Rod .927 Pin -5.8cc 11.2CR Set of 8