Inliners International Forums General Discussion Electrical GMC 6V verses 12V Identification

The early 11.5" clutch will fit in the smaller engine bellhousings. True, the early clark bellhousing was a little larger on the top to clear the clutch. However, you can either grind a relief in the bellhousing or pre-compress the pressure plate when the clutch in installed. BTDT. The later bellhousings are much, much larger. It will be obvious which you have.