Engine Valve Kit — stem 0.3100 in, head Ø 1.840/1.615 in, length 4.445/4.525 in, Black Diamond™ stainless

KIBBLEWHITE Engine Valve Kit

KIBBLEWHITE
0926-3210
20-22650
Complete valve kit with valve springs, Black Diamond™ stainless valves with black nitride coating, H.T. steel keepers and seals where applicable; sold as a kit for one engine.
Hurry! only 4 items left in stock.
€187.78
In stock, ships within 24-48 hours.
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  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.

⚙️ Precision-engineered engine valve kit for performance and durability. This complete kit is designed for the engine applications listed and includes high-quality components to ensure reliable valvetrain operation.

  • Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™ stainless steel standard size valves with black nitride coating, and H.T. (heat treated) steel valve keepers and valve stem seals where applicable.
  • Black Diamond™ valves are one-piece forged stainless steel treated with a specialized German process to improve wear resistance and reduce friction.
  • White Diamond® valves are CNC machined from a one-piece forging of EV8 stainless steel or Inconel-751 and are hard chromed with 360° anode for a durable finish.
  • Compatible with leaded and unleaded fuels and sold as a complete kit for one engine.
  • Manufactured to high standards and made in the USA. 🇺🇸

Installers and engine builders will appreciate the complete nature of the kit and the durability of the coated stainless components. For safe operation, follow manufacturer torque and installation guidelines.

: 0926-3210
: 4 Items
In Stock

Data sheet

Units
Kit
Brand
KIBBLEWHITE
Length Imperial
Intake 4.445", Exhaust 4.525"
Length
Intake 4,445", Exhaust 4,525"
Application
Intake, Exhaust
Spring Lift Imperial
0.600"
Spring Seat Pressure
163 lb
Spring Open Pressure
361 lb
Spring Lift
0,600"
Stem Diameter Imperial
Intake 0.3100", Exhaust 0.3096"
Head Diameter Metric
Intake 46.74 mm, Exhaust 41.02 mm
Tulip Angle
Intake 23°, Exhaust 29°
Head Diameter Imperial
Intake 1.840", Exhaust 1.615"
Head Diameter
Intake 1,840", Exhaust 1,615"
Collar Material
H.T. Steel
Tulip Angle Imperial
Intake 23°, Exhaust 29°
Valve Seat Height Imperial
1.810"
Stem Diameter Metric
Intake 7.90 mm, Exhaust 7.90 mm
Stem Diameter
Intake 0,3100", Exhaust 0,3096"
Valve Seat Height
1,810"
Material
Black Diamond™ Stainless

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.