Head unit only rebuild kit for Kenne Bell, Autorotor, Opcon, Whipple 3150 G1. G1 head units have a 25mm rear rotor shaft.
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.
NOTE: NO REAR SEALS as shown in the picture.
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