7157-20 Colony Head bolt kit for Harley-Davidson
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Iron City Dealer
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Specifications
- Brand
- Colony
- Part Number
- 7157-20
- OEM Reference
- —
- Pack Quantity
- Sold as kit
- Category
- Head Bolts
- VAT Rate
- 20%
About This Product
Colony head bolt kit with acorn-style heads. Fits 1940 to 1947 Knucklehead models with 61 and 74-inch motors. These set the clamping load for the cylinder heads. Replaces old or incorrect top-end hardware. Correct thread pitch for these later Knucklehead engines. The acorn profile tidies up the rocker box area. Torque to the factory spec in the proper sequence. Sold as a kit.
Manufacturer part number: 7157-20.
Fitment
4 models40-47 KNUCKLEHEAD
Knucklehead 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1943–1947 | Knucklehead E-1000 |
| Harley-Davidson | 1943–1947 | Knucklehead EL-1000 |
| Harley-Davidson | 1940–1947 | Knucklehead F-1200 |
| Harley-Davidson | 1940–1947 | Knucklehead FL-1200 |
Planning other changes? Find your model in the bike customiser.
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Who are we? Leeds Harley-Davidson - Iron City Motorcycles
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