Mahle MS Piston Set Duramax 4.075in Bore 3.898in Stk 6.417in Rod 1.358 Pin -40.7cc 16.8 CR Set of 8

GM 6.6L Duramax Cast Performance Pistons 407cid 4.075 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-40.7cc,880g,16.8CR, M142.