Colony Machine Stock Head Bolts Chrome 8221-20 for Pan & Shovel Shovelhead Panhead 1948-1984
$179.63
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Colony Machine Stock Head Bolts Chrome 8221-20 for Pan & Shovel Shovelhead Panhead 1948-1984
$179.63
Upgrade or rebuild your vintage motorcycle engine with Colony Machine Stock Head Bolts and Washers. Precision-machined from high-strength steel, these OEM-style fasteners are hardened to original equipment manufacturer specifications to effectively prevent stretching under high compression.
Featuring rolled threads for superior strength and a precision fit, these chrome-finished head bolts provide both long-lasting durability and a clean, classic appearance. Proudly made in the USA, they directly replace OEM part # 16814-77 for seamless engine restoration.
Key Features
| Brand | Colony Machine |
| Manufacturer Part Number (MPN) | 8221-20 |
| Product Type | Cylinder Head Bolts & Washers |
| Finish | Chrome |
| Material | Hardened High-Strength Steel |
| Thread Type | Rolled Threads |
| Replaces OEM Part Number | 16814-77 |
| Country of Origin | USA |
| Weight | 0.9 kg |
Highlights
- OEM style chrome finish head bolts and matching washers
- Machined from durable, high-strength steel
- Hardened to OEM specifications to resist stretching under pressure
- Rolled threads offer enhanced strength and fitment
- Direct replacement for OEM # 16814-77
- Made in the USA
Compatibility
Fits Panhead and Shovelhead engines from 1948 through 1984. Replaces OEM # 16814-77.
What's included
- Stock Head Bolts
- Matching Washers
Frequently asked questions
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