Mahle MS 01-16 GM Duramax 6.6L Piston Set 407cid 4.075 x 1.951CH -41.8cc M142 16.5CR TBC

407cid 4.075 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-41.8cc,877g,16.5CR, M142, TBC coated