Mahle 197987955T Mahle MS GM 6.6L L5P 4.055in Bore 3.898in Stk 6.417in Rod -41.2cc 15.8 CR w/Thermal Barrier Set of 8

403cid 4.055 x 2.122CH, 3.898stroke,6.417rod,1.417pin,-41.2cc,927g,15.8CR, M174+, TBC Coated

Piston (set) - GM 6.6L Duramax L5P Cast Performance Pistons

Application Summary: GM 6.6L Duramax 403 cu in.

w/ 0.075" Deep Valve Pockets