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KPM Black Diamond Valves
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for Sportster 1957-1985
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61-371
Kibblewhite Black Diamond valves are CNC machined from one-piece forgings of EV8 stainless steel. The proprietary Black Diamond multi-stage process treats the shaft to a depth of 0.002” creating a hard, smooth and corrosion resistant surface that cannot flake crack or peel off. The valve tips feature welded-on stellite tips for improved resistance to the impact and abrasive wear of the rocker arms. All versions work with modern lead-free fuels.
- fits Sportster 1957-69
- intake
- steel
- length: 90.55 mm
- head: 46.36 mm
- stem: 7.86 mm
- replaces Harley-Davidson part number 18070-58
- gross weight: 101 g
Have any questions?
Our service team will be glad to help out: Mondays - Thursdays 08:00-17:00 CET, Fridays 08:00-16:00 CET, Phone: +49 / 931 250 61 16, eMail: service@wwag.com