Kibblewhite KPM-20-4171 Black Diamond Stainless Intake Valve for Harley-Davidson Evolution Big Twin 84-99 OEM Replacement
Kibblewhite KPM-20-4171 Black Diamond Stainless Intake Valve for Harley-Davidson Evolution Big Twin 84-99 OEM Replacement
All KPMIĀ® Black Diamondā¢ Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface build up of .0002. This Black Diamondā¢ process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Black Diamondā¢ Valves are lightweight, strong, one piece forgings with profiles that provide excellent flow characteristics.Ā
Specs
Type: Exhaust
Material: Black Diamondā¢ Stainless
Coating: Black Nitroneg
Quantity: 1
Head Diameter: 46.74mm / 1.840"
Stem Diameter: 7.9mm / 0.3100"
Tulip: 23Āŗ
Overall Length: 4.445"
Remarks: Standard (OEM18074-83B)
Description
All KPMIĀ® Black Diamondā¢ Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface build up of .0002. This Black Diamondā¢ process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Black Diamondā¢ Valves are lightweight, strong, one piece forgings with profiles that provide excellent flow characteristics.Ā
Specs
Type: Exhaust
Material: Black Diamondā¢ Stainless
Coating: Black Nitroneg
Quantity: 1
Head Diameter: 46.74mm / 1.840"
Stem Diameter: 7.9mm / 0.3100"
Tulip: 23Āŗ
Overall Length: 4.445"
Remarks: Standard (OEM18074-83B)
