Make your classic drive like a modern fuel-injected vehicle, including easy cold starts, smooth drivability, and improved fuel economy! Adding to our differential services, we are now offering a full installation for Holley Performance products Sniper EFI systems for applications upto 650 hp (naturally aspirated).
Custom GM 12 Bolt Differentials are built to order
Western Differential can customize New GM 12 Bolt car housings casted from Nodular Iron from either Currie Enterprises, Strange Engineering or Moser Engineering. We can also rebuild or upgrade an existing GM 12 Bolt Factory car or truck housing.