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.

Hurry! only 14 items left in stock.
€122.74
€166.20
Save €43.46
local_shipping In stock, ships in 2-3 days
Quantity

  Delivery policy

In stock items will be shipped within 1-3 days.

  Return policy

You can return the products within 14 days for a full refund, check our returns policy.

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

Shipping Policy

Shipping Areas:

We ship to:

  • Spain (Peninsula and Balearic Islands)
  • European Union countries

We do not ship to the Canary Islands, Ceuta, or Melilla.

Shipping Times:

  • Spain (Peninsula): 2–4 business days
  • Balearic Islands: 3–5 business days
  • EU countries: 3–7 business days depending on destination

Shipping Costs:

Shipping costs are calculated automatically at checkout based on destination and weight.

Free shipping may be offered for qualifying orders, as specified on our website.

Order Processing:

Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.

Delivery Issues:

If your order is delayed or arrives damaged, you must notify us within 14 calendar days. We will investigate the issue and offer a resolution in accordance with applicable consumer protection laws.

Return & Withdrawal Policy

Right of Withdrawal:

In accordance with Royal Legislative Decree 1/2007 (Ley de Defensa de los Consumidores y Usuarios), you have the right to withdraw from your purchase within 14 calendar days from the date of receipt, without giving any reason.

To exercise this right, contact us via email or through our website, providing your order number and contact details.

Return Conditions:

  • Products must be unused, in original condition and packaging.
  • Return shipping costs are the responsibility of the customer, unless the product is defective or sent in error.
  • Refunds will be issued within 14 days of receiving the returned goods.

Items Excluded from Return:

  • Custom or personalized products
  • Sealed items that were unsealed after delivery and are unsuitable for return due to hygiene (e.g. cosmetics, personal care)
  • Digital content delivered electronically once download or streaming has begun

If you want to return an item, please contact us first to give you detailed instructions.

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