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The Mahle MS piston set for GM LSX 402 cid applications supplies eight pistons with a 4.000" bore and 4.000" stroke. Each piston is specified with a 1.110" ring configuration, 6.125" rod length and .927" wrist pin, featuring a -14.0cc crown volume and an effective compression ratio near 9.9:1 (catalog lists 10.4:1). Pistons weigh about 399g and come as a set of eight.
Mahle MS Piston Set GM LSX 402cid 4.0x1.110RCH 4.0in Stk 6.125in Rod .927 Pin -14cc 9.9CR - Set of 8
