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The Mahle MS piston set for GM LT1 427ci is a matched eight-piston kit for a 4.125-inch bore and a 4.000-inch stroke with 6.125-inch connecting rods and 0.927-inch pins. These pistons are listed at -6cc and target an approximate 12.3:1 compression ratio for the 427ci build. Supplied as a full eight-cylinder set for high-displacement LT1 applications.
Mahle MS Piston Set GM LT1 427ci 4.125in Bore 4in Stk 6.125in Rod .927 Pin -6cc 12.3 CR Set of 8
