20-20170 Kibblewhite valve spring kit. .460" lift. Steel top collars for Harley-Davidson
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Iron City Dealer
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Specifications
- Brand
- Kibblewhite
- Part Number
- 20-20170
- OEM Reference
- —
- Pack Quantity
- Sold as kit
- Category
- Valve Springs
- VAT Rate
- 20%
About This Product
Kibblewhite valve spring kit for 1936 to 1947 Knucklehead. Rated for .460 inch lift and cams up to .480 inch. Springs are chrome silicone wire, shot-peened and heat-treated. The kit includes springs, steel upper collars, lower collars, and valve keys. It drops valve train mass over stock. You must fit KPMI valve guides with these. Stock guides need shortening and machining per the instructions. Sold as a kit.
Manufacturer part number: 20-20170.
Fitment
4 models36-47 Knucklehead
Knucklehead 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1936–1947 | Knucklehead E-1000 |
| Harley-Davidson | 1940–1946 | Knucklehead EL-1000 |
| Harley-Davidson | 1937–1946 | Knucklehead F-1200 |
| Harley-Davidson | 1936–1947 | Knucklehead FL-1200 |
Planning other changes? Find your model in the bike customiser.
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