Mahle MS GM 6.6L Duramax 4.075in Bore 3.898in Stk 6.417in Rod 1.358 Pin -41.8cc 16.5 CR - Single

GM 6.6L Duramax Forged Aluminum Race Pistons w/ 0.075" Deep Valve Pockets SINGLE PISTON (930036275) 4.075 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-41.8cc,785g.