Description
Head unit rebuild kit for extended or direct drive superchargers. This is parts for the head unit only. This fits case styles where the rear rotor bearings are fixed to the rear of the rotors. To purchase a complete kit, you must go to the Whipple drive parts section and choose drive snout or direct drive type. If you have an extended drive, you may choose to add a coupler as well.
Fitment:
100AX 1.6L, 140AX 2.3L, 140R 2.3L, 175AX 2.9L, 175RF 2.9L, W185AX, 3.0L, 200AX 3.3L, 200R 3.3L, 210AX 3.4L, W235AX, 3.8L, 245AX 4.0L, 4.5L 275AX.
Also fits just the main case section/rotor pack for 3.0L W185AX and 3.8L W285AX.
Includes the following items:
- Quantity 2 SKF front rotor bearings.
- Quantity 2 SKF rear rotor bearings.
- Quantity 2 JB Performance PTFE dual carbon lip front rotor seals.

Carbon fiber coupler 17mm thick (Lysholm style)
Replacement front case bolt for G3 and older
ProCharger stock replacement impeller CW or CCW fits P1SC
Bypass valve vacuum actuator 113 VA783B
Full rebuild kit G2 Novi 1000, Novi 2000
Front rotor pack bearings
JB Performance Supercharger Oil with Stage 3 Technology 8 ounce bottle.
Whipple HD drive snout to gear case bolt
Non-gear Side Rotor Bearing Set 