Keep your 6.6L LLY Duramax performing at its best with heavy-duty axles and components from Norcal Diesel Performance. The LLY Duramax is built to handle serious power and torque, but that strength demands equally tough drivetrain parts. Whether you’re reinforcing your front end, improving gear lubrication, or upgrading your differential for added durability, our selection of premium components has you covered. Choose from industry-leading brands like PPE Diesel, Fleece Performance, BD Diesel, Justice Brothers, and more. From PPE’s Heavy Duty Aluminum Rear Differential Covers to Fleece Performance GM Front TufShafts, and even Kryptonite Spindle O-Rings, these upgrades provide the strength, protection, and reliability your Duramax needs for towing, hauling, or off-road adventures.
