Black Diamond™ Engine Valve Kit — Standard, Stem dia. Intake 0.3100" , Exhaust 0.3095"

KIBBLEWHITE Black Diamond™ Engine Valve Kit — Standard, Stem dia. Intake 0.3100" , Exhaust 0.3095" – 86-03 Sportster

KIBBLEWHITE
0926-3211
20-22700

Specialized surface treatment strengthens valves to reduce friction, resist corrosion, and improve wear properties; compatible with leaded and unleaded fuels.

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The Black Diamond™ Engine Valve Kit is engineered to deliver enhanced wear resistance and reduced friction for dependable performance. ⚙️

All valves are fortified by a special process to a depth of .002" with a surface buildup of .0002", improving wear properties and providing resistance to corrosion and wear.

This process reduces friction and extends service life while maintaining compatibility with leaded and unleaded fuels.

Made in the USA and finished to strict quality standards for consistent results.

: 0926-3211
In Stock

Data sheet

Size
Standard
Brand
KIBBLEWHITE
Length
Intake 4,550", Exhaust 4,640"
Intake 4.550", Exhaust 4.640"
Application
Exhaust, Intake
Head Diameter
Intake 1,585", Exhaust 1,350"
Intake 1.585", Exhaust 1.350"
Material
Stainless Steel
Harley Family
Sportster

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Sportster Sportster 1986
Harley Davidson Sportster Sportster 1987
Harley Davidson Sportster Sportster 1988
Harley Davidson Sportster Sportster 1989
Harley Davidson Sportster Sportster 1990
Harley Davidson Sportster Sportster 1991
Harley Davidson Sportster Sportster 1992
Harley Davidson Sportster Sportster 1993
Harley Davidson Sportster Sportster 1994
Harley Davidson Sportster Sportster 1995
Harley Davidson Sportster Sportster 1996
Harley Davidson Sportster Sportster 1997
Harley Davidson Sportster Sportster 1998
Harley Davidson Sportster Sportster 1999
Harley Davidson Sportster Sportster 2000
Harley Davidson Sportster Sportster 2001
Harley Davidson Sportster Sportster 2002
Harley Davidson Sportster Sportster 2003
Harley Davidson Sportster 53 Custom Sportster 1998
Harley Davidson Sportster 53 Custom Sportster 1999
Harley Davidson Sportster 53 Custom Sportster 2000
Harley Davidson Sportster 53 Custom Sportster 2001
Harley Davidson Sportster 53 Custom Sportster 2002
Harley Davidson Sportster 53 Custom Sportster 2003
Harley Davidson Roadster Sportster 2002
Harley Davidson Roadster Sportster 2003
Harley Davidson Sportster Sportster 1986
Harley Davidson Sportster Sportster 1987
Harley Davidson Sportster Hugger Sportster 1988
Harley Davidson Sportster Hugger Sportster 1989
Harley Davidson Sportster Deluxe Sportster 1990
Harley Davidson Sportster Hugger Sportster 1991
Harley Davidson Sportster Sportster 1992
Harley Davidson Sportster Hugger Sportster 1993
Harley Davidson Sportster Deluxe Sportster 1994
Harley Davidson Sportster Deluxe Sportster 1995
Harley Davidson Sportster Hugger Sportster 1996
Harley Davidson Sportster Sportster 1997
Harley Davidson Sportster Sportster 1998
Harley Davidson Sportster Sportster 1999
Harley Davidson Sportster Sportster 2000
Harley Davidson Sportster Sportster 2001
Harley Davidson Sportster Hugger Sportster 2002
Harley Davidson Sportster Sportster 2003