Extreme Sealing Technology Complete Gasket Kit — '66-'69 Shovelhead, 3.770", 1.02 mm (0.040")

COMETIC Extreme Sealing Technology Complete Gasket Kit — '66-'69 Shovelhead, 3.770", 1.02 mm (0.040") – 66-69 Big Twin

COMETIC
0934-0812
C9900
Full gasket kit with MLS head gaskets, Steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM exhaust gaskets. Made in the USA.
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€119.92
€155.26
Save €35.34
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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.

The Extreme Sealing Technology Complete Gasket Kit gives you a full set of precision gaskets engineered for performance and reliability. Every gasket in the kit uses the best material for its intended application, combining modern sealing technology with race-proven components.

  • Multi-Layer Steel (MLS) head gaskets for long-lasting head sealing
  • Steel Viton®-coated base gaskets and blue Viton valve stem seals for improved chemical resistance
  • Aluminum Foam Material (AFM) race-style exhaust gaskets
  • Complete kit includes motor gasket kit plus primary, derby and inspection cover gaskets (where applicable)
  • Made in the USA

Built for easy installation and dependable sealing under demanding conditions. 🛠️🇺🇸

: 0934-0812
In Stock

Data sheet

Type
Complete
Units
Kit
Brand
COMETIC
Thickness
1.02 mm (0.040")
Bore Size
3,770"
Material
AFM (Aluminum Foam Material), Steel, Viton, MLS (Multi-layer Steel)
Harley Family
Touring

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 Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969