Mahle MS Piston Set Duramax 4.055in Bore 3.898in Stk 6.417in Rod 1.358 Pin -40.7cc 16.7 CR Set of 8

GM 6.6L Duramax Cast Performance Pistons 403cid 4.055 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-40.7cc,864g,16.6CR, M142.