Description
Head unit only rebuild kit for Kenne Bell, Autorotor, Opcon, Whipple 3150/3133 G2.
Includes the following parts:
- Quantity 2 SKF front rotor bearings.
- Quantity 2 JB Performance front rotor seals.
- Quantity 2 SKF rear rotor bearings, updated design.
- Quantity 2 rear rotor seals.

Head unit rebuild kit for OA-3133, OA-3150 for G1 models.
Whipple Supercharger oil 155ml 1.6L (100AX, 1600AX, 1600AR), 2.3L (140AX, W3A, 2300AR, 2300R, 2300AX, 2300AXM, 2300AXO), 175AX 2.9L, 235RF 3.8L
1600A / 2300A Tension/Preload Spring
Replacement drive coupler steel pin 1"
supercharger rotor pack seals- left and right
Replacement rotor seals
Bypass actuator lever- left hand
Front gear case cover, fits 3133 1.3L, 3150 1.5L 