Description
This is a full head unit rebuild kit for Holley, Weiand, and B&M Generation 1, 174 Superchargers.
Please note that this parts kit only includes parts for the supercharger. You will still need to pick parts out for the generation of drive snout that you have for a full parts kit.
What is included:
- Quantity 1 Drive case gasket.
- Quantity 2 rotor pack to case gaskets.
- Quantity 2 front rotor bearings.
- Quantity 4 front and rear rotor seals.
- Quantity 2 rear rotor bearings.
- Quantity 1 tube of grease.

Powerdyne impeller ship BD10, BD550 Triangle shape
Replacement HTD kevlar internal supercharger drive belt.
Mercury Marine, B&M, Holley, Weiand Rotor or pulley bolt 