OEM Replacement Valve Spring Kit — 0.415" lift, 272 lb open, 129 lb seat

KIBBLEWHITE OEM Replacement Valve Spring Kit — 0.415" lift, 272 lb open, 129 lb seat

KIBBLEWHITE
0926-1443
20-20435
OEM replacement valve spring kit engineered for stock pressures and reliable valve control.
Out of Stock
€151.31
€204.85
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.

Optimized OEM replacement valve spring kit designed to restore factory pressures and work with stock cam profiles. 🇺🇸

  • Designed to give stock pressures and work with stock cam profiles
  • Retainers, keepers, and bases are modeled using FEA to maximize mechanical strength
  • Springs are wound from Super Clean chrome silicon valve spring wire that has been heat treated and shot peened
  • Manufactured to original O.E.M. specifications using modern materials, design protocols and manufacturing techniques
  • Made in the USA

Each kit is precision manufactured for reliable, repeatable valve control and long service life. 🛠️

: 0926-1443
Out of Stock

Data sheet

Type
Valve
Units
Kit
Brand
KIBBLEWHITE
Application
Exhaust, Intake
Spring Lift Imperial
0.415"
Spring Seat Pressure
129 lb
Spring Open Pressure
272 lb
Spring Lift
0,415"
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.