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 bypass needle bearing set
JB Performance Supercharger Oil with Stage 3 Technology 8 ounce bottle.
Rebuild kit for extended drive Generation 2 Whipple / Lysholm - head unit only
3.1" 99-04 F150 Lightning and 03-04 Cobra M112 press on drive pulley
1.6L, 2.3L, 2.9L, 2300AX, 2300A, 2300R, W3A, AXO, AXM, 1600AX, 100AX, 140AX, 175AX rear gasket 