Racing Valve Spring Kit — 0.650" lift, 440 lb open, 185 lb seat, Lightweight Racing

KIBBLEWHITE Racing Valve Spring Kit — 0.650" lift, 440 lb open, 185 lb seat, Lightweight Racing

KIBBLEWHITE
0926-3347
20-23500
Progressive high-performance valve spring set engineered for one engine; designed for durability and precise valvetrain control.
Out of Stock
€151.49
€205.03
Save €53.54
This product is currently unavailable.
  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 Racing Valve Spring Kit is engineered for high-performance valvetrains, providing precise control and long-term durability for demanding engines. ⚙️🔥

  • Designed for its specific application, taking into account cam profiles, harmonics, natural frequency of the springs, valvetrain mass, required pressure, wire stress, fatigue life, and engine rpm.
  • Progressively wound springs using Kobe super-clean, chromium silicon (CrSi) based wire that is heat treated and shot peened.
  • Complete set for one engine.
  • Made in the USA.
: 0926-3347
Out of Stock

Data sheet

Type
Valve
Units
Kit
Style
Racing
Brand
KIBBLEWHITE
Application
Exhaust, Intake
Spring Lift Imperial
0.650"
Spring Seat Pressure
185 Ib
Spring Open Pressure
440 lb
Spring Lift
0,650"
Collar Material
H.T. Steel
Material
Chromium Silicon Alloy

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.