8780-4 Lock nuts tappet adjuster screw
Fits: 15-85 all H-D (excl. all Evolution …
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Specifications
- Brand
- Colony
- Part Number
- 8780-4
- OEM Reference
- 18570-38
- Pack Quantity
- Pack of 4
- Category
- Tappet Hardware
- VAT Rate
- 20%
About This Product
Colony lock nuts for tappet adjuster screws. Thread pitch is 9/32-32. They replace OEM number 18570-38. Fitment is 1915 to 1985 Flathead, Knucklehead, Panhead and Shovelhead models. They do not fit Evolution Big Twin models. The set gives you four nuts. Fit them to the adjuster screws and they will not back out under engine vibration. Sold as a set.
Manufacturer part number: 8780-4.
Fitment
15-85 all H-D (excl. all Evolution Big Twin models)
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