20-4258 KPMI, Black Diamond valve, intake. STD
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Specifications
- Brand
- Kibblewhite
- Part Number
- 20-4258
- OEM Reference
- 18071-58
- Pack Quantity
- Each
- Category
- Valves Intake
- VAT Rate
- 20%
About This Product
Keeping an early Sportster running right requires quality internals, and these Kibblewhite Black Diamond intake valves are as good as it gets. This standard size replacement features a 1.825-inch head diameter and a 0.3090-inch stem diameter, measuring 3.565 inches in overall length. It serves as a high-quality replacement for OEM 18071-58. Forged from one-piece stainless steel and treated with a black nitrided finish, these valves offer incredible strength and smooth operation. They are designed specifically for 1957 through 1969 Sportster models. Manufactured in the USA, KPMI components are trusted by professional builders for their precision and longevity.
Manufacturer part number: 20-4258.
Fitment
57-69 XL Sportster
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