The Mahle MS piston set for GM LSX 428 cid (high-compression) engines supplies eight pistons with a 4.125" bore and 4.000" stroke. These pistons use a 1.110" ring layout, 6.125" rod length and .927" wrist pin, with a 5.6cc crown volume producing about a 13.7:1 compression ratio. Each piston is listed at approximately 482g and the set covers a full V8 rebuild.
Mahle MS Piston Set GM LSX 428cid 4.125x1.110RCH 4.0 Stk 6.125 Rod .927 Pin 5.6cc 13.7CR - Set of 8