Colony Machine Push Rod Tappet Adjuster Lock Nuts 4-Pack - Harley & Indian V-Twin
About Colony Machine
Colony Machine manufactures American-made fasteners and hardware kits for Harley-Davidson, including correct-finish reproduction hardware for restorations where a modern bolt would look wrong.
Keep your valve train dialed in with Colony Machine push rod tappet adjuster lock nuts. This convenient four-pack of OEM-style fasteners is designed to secure the adjuster screw, preventing valve lash from drifting during engine operation. Consistent valve lash is key to optimal engine performance and longevity on your V-twin.
Why riders pick this
- Secures push rod tappet adjusters
- Prevents valve lash drift for stable performance
- Sold in packs of four for convenience
- Made in the U.S.A. to OEM standards
- Essential for engine maintenance and builds
When performing a valve adjustment or rebuilding your V-twin engine, having reliable fasteners for your push rod tappet adjusters is crucial. These Colony Machine lock nuts provide that security, ensuring your valve lash settings remain consistent. They are manufactured to OEM specifications, offering a direct replacement solution for your stock hardware.
Maintain Peak Valve Train Performance
- Sold in convenient packs of four, sufficient for most V-twin engines
- Made in the U.S.A. for superior quality and durability
- OEM-style specification ensures a precise fit and reliable function
- Prevents valve lash from drifting for consistent engine operation
Essential for Engine Service and Builds
Whether you're doing routine maintenance, a cam swap, or a full engine build, these lock nuts are a must-have. They provide critical security for your valve train, helping to maintain proper valve timing and prevent potential engine damage. Always consult your service manual for the correct torque specifications during installation.
Specifications
- Brand: Colony Machine
- Manufacturer Part #: 8780-4
- Quantity: 4 per pack
- Weight: 0.04 lbs
- Country of Origin: United States
Common questions
How many lock nuts are included in this pack?
This product includes a pack of four lock nuts, which is typically enough for one complete valve adjustment on most V-twin engines, with potential spares.
Are these considered OEM or aftermarket parts?
These are OEM-style fasteners, meaning they are manufactured to meet or exceed factory specifications for valve adjuster security on V-twin motorcycles.
Do I need any special tools for installation?
You will typically need a standard 3/8-inch or 7/16-inch wrench, depending on your specific engine model. Always refer to your bike's service manual for precise torque specifications.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Colony Machine |
| TYPE | Hardware/Fasteners/Fittings |
| SKU | 830-1186 |
| WEIGHT | 0.04 lb |