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.

Replacement drive snout pulley nut
Refurbished ceramic coated G3 M90, MP90 Supercharger rotors
JB Performance P1SC Style impeller seal installation tool
JB Performance replacement impeller CW fits Vortech V1, V2, V3 T trim, Paxton Novi 1500
Supercharger Needle Bearing Grease 