KPM Black Diamond Valves

Valve by Kibblewhite Precision Machining; fits Evolution Big Twin 1984-1999; exhaust; steel; length: 114.81 mm; head: 41.02 mm; stem: 7.86 mm; replaces OEM HD 18082-83; gross weight: 90 g

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Item №

61-333

net price

34.71 €

VAT Germany (19%)

6.59 €

Price incl. VAT

41.30 €

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23 ready for immediate delivery from our Würzburg, Germany warehouse

Valve by Kibblewhite Precision Machining
fits Evolution Big Twin 1984-1999
exhaust
steel
length: 114.81 mm
head: 41.02 mm
stem: 7.86 mm
replaces Harley-Davidson part number HD 18082-83
gross weight: 90 g

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.

Accessories:

KPM Cast Iron Valve Guides

Kibblewhite has researched, tested and chemically separated several cast iron blends, and ultimately specified a combination of ingredients to meet the needs of Harley-Davidson engines. KPM material includes specific amounts of key elements such as carbon, silicon, manganese, nickel, copper and sulfur to create a highly pearlitic structure wit dense fine grains for excellent wear resistance. This "recipe" also allows for a superior surface fnish in the guide bore that is easy on valve stems.

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