Extreme Sealing Technology Complete Gasket Kit — Bore 4.000", Thickness 1.02 mm (0.040")

COMETIC Extreme Sealing Technology Complete Gasket Kit — Bore 4.000", Thickness 1.02 mm (0.040")

COMETIC
0934-5074
C10157
Complete gasket kit with MLS head gaskets, steel Viton®-coated base gaskets, blue Viton® valve stem seals, AFM exhaust gaskets. Includes motor, primary, derby and inspection cover gaskets where applicable. Made in USA.
Hurry! only 6 items left in stock.
€173.02
€223.98
Save €50.96
In stock, ships within 24-48 hours.
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.

Extreme Sealing Technology Complete Gasket Kit provides comprehensive sealing for engine and primary systems with precision materials and race-style components. 🛠️🔧

  • Every gasket in the kit uses the best materials possible for its intended application.
  • Multi-Layer Steel (MLS) head gaskets for durable, consistent sealing.
  • Steel base gaskets coated with Viton® for improved chemical and heat resistance.
  • Blue Viton® valve stem seals for long-lasting valve sealing.
  • Aluminum Foam Material (AFM) race-style exhaust gaskets to resist blowouts and maintain exhaust integrity.
  • Complete kit includes motor gasket kit plus primary, derby and inspection cover gaskets where applicable.
  • Made in the USA.

Designed for reliability and built from race-proven materials, this kit simplifies a full rebuild or targeted sealing refresh.

: 0934-5074
: 6 Items
In Stock

Data sheet

Type
Complete
Units
Kit
Brand
COMETIC
Thickness
1.02 mm (0.040")
Bore Size
4,000"
Material
AFM (Aluminum Foam Material), Steel, Viton

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.