Mahle OE GM 6.6L Duramax L w/ PCR - .040 DSL Piston With Rings Set (Set of 4) Fabrication~Fuel Lines Heavy duty regulator valve to

Heavy duty regulator valve to prevent crossleaks

Fits Cylinders 3 Or 6

known for manufacturing high-quality auto parts

the integrated mounts points have been upgraded

Mahle OE GM 6.6L Duramax L w/ PCR - .040 DSL Piston With Rings Set (Set of 4) Fabrication~Fuel Lines Heavy duty regulator valve toMAHLE Original pistons are OE quality and have the same great OE features such as compensated ring grooves to assure proper ring loading and oil control, as well as expansion controlled designs for small fitting clearances to reduce engine noise, wear, emissions, and improve oil control. MAHLE offers pistons ready for installation with mounted piston rings, with pin and clips included for the convenience of the engine builder. Fitment: 2001 Chevrolet