*USA made Billet Aluminum 30mm Tapered Shaft Adapter for Gas engines with a 1" straight output Shaft diameter. *Fits all stock 30mm (1.18" hole) size golf cart drive clutches. *The part you will need to put a Harbor Freight Predator, Honda, Subaru, Briggs, Kohler or any other horizontal straight shaft engine into your golf cart and retain your stock golf cart clutch assembly drive clutch! *Use this 1" Inside Diameter Taper for engines with a 1" output shaft. *Correct backing spacer is included for exact fitment options. *The taper works with most gas golf cart factory and after market clutches like Yamaha, EZ GO, Club Car and others. *A proper sized spacer that is the same diameter at the large end of the taper adapter. *CNC Precision Machined from 6061-T6 Aircraft Grade Aluminum *Included the adapter to get the spacing correct for most engines. *This adapter works great with all Honda Clone engines using a 1" output shaft. Listing Includes: 1) Precision Taper adapter 1) Properly sized backing spacer. **Note: The crankshaft may need to be cut, drilled and re-tapped to get your clutch as close as possible to your engine case. 2-1/2" to 2-3/4" of the output shaft protruding from the crank case is generally the ideal.