COMETIC Top End Gasket Kit — 0.81 mm, 4-Stroke – 36-56 Big Twin, 52-56 Model K, 57-69 Sportster
In stock items will be shipped within 1-3 days.
You can return the products within 14 days for a full refund, check our returns policy.
In stock items will be shipped within 1-3 days.
You can return the products within 14 days for a full refund, check our returns policy.
Top end gasket kit includes the correct base and head gaskets, cylinder O-rings and additional top-end seals required for removal and reinstallation of the top end. 🔧
Multi-layer steel (MLS) head gaskets promote an even torque load across the sealing surface, reducing bore distortion and improving piston ring seal for more power. ⚙️
Designed for high-output 4-stroke engines, these head gaskets feature embossed outer layers coated with a Viton rubber material to meet the demands of modern, high-cylinder-pressure machines.
EST (Extreme Sealing Technology) variants include embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber material for enhanced sealing and heat dissipation.
The gasket construction draws heat away from the combustion ring and dissipates it evenly across the gasket surface to reduce hot spots and the risk of gasket failure.
Made in the USA.
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We do not ship to the Canary Islands, Ceuta, or Melilla.
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Free shipping may be offered for qualifying orders, as specified on our website.
Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.
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.
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.
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 | Big Twin | 1936 | ||
| Harley Davidson | Big Twin | 1937 | ||
| Harley Davidson | Big Twin | 1938 | ||
| Harley Davidson | Big Twin | 1946 | ||
| Harley Davidson | Big Twin | 1947 | ||
| Harley Davidson | Big Twin | 1948 | ||
| Harley Davidson | Hydra Glide | Big Twin | 1949 | |
| Harley Davidson | Hydra Glide | Big Twin | 1950 | |
| Harley Davidson | Hydra Glide | Big Twin | 1951 | |
| Harley Davidson | Hydra Glide | Big Twin | 1952 | |
| Harley Davidson | Big Twin | 1936 | ||
| Harley Davidson | Big Twin | 1937 | ||
| Harley Davidson | Big Twin | 1938 | ||
| Harley Davidson | Big Twin | 1939 | ||
| Harley Davidson | Big Twin | 1940 | ||
| Harley Davidson | Big Twin | 1941 | ||
| Harley Davidson | Big Twin | 1942 | ||
| Harley Davidson | Big Twin | 1943 | ||
| Harley Davidson | Big Twin | 1944 | ||
| Harley Davidson | Big Twin | 1945 | ||
| Harley Davidson | Big Twin | 1946 | ||
| Harley Davidson | Big Twin | 1947 | ||
| Harley Davidson | Big Twin | 1948 | ||
| Harley Davidson | Hydra Glide | Big Twin | 1949 | |
| Harley Davidson | Hydra Glide | Big Twin | 1950 | |
| Harley Davidson | Hydra Glide | Big Twin | 1951 | |
| Harley Davidson | Hydra Glide | Big Twin | 1952 | |
| Harley Davidson | Hydra Glide | Big Twin | 1952 | |
| Harley Davidson | Big Twin | 1946 | ||
| Harley Davidson | Big Twin | 1947 | ||
| Harley Davidson | Big Twin | 1948 | ||
| Harley Davidson | Hydra Glide | Big Twin | 1949 | |
| Harley Davidson | Hydra Glide | Big Twin | 1950 | |
| Harley Davidson | Hydra Glide | Big Twin | 1951 | |
| Harley Davidson | Hydra Glide | Big Twin | 1952 | |
| Harley Davidson | Big Twin | 1941 | ||
| Harley Davidson | Big Twin | 1942 | ||
| Harley Davidson | Big Twin | 1943 | ||
| Harley Davidson | Big Twin | 1944 | ||
| Harley Davidson | Big Twin | 1945 | ||
| Harley Davidson | Big Twin | 1946 | ||
| Harley Davidson | Big Twin | 1947 | ||
| Harley Davidson | Hydra Glide | Big Twin | 1953 | |
| Harley Davidson | Hydra Glide | Big Twin | 1954 | |
| Harley Davidson | Hydra Glide | Big Twin | 1956 | |
| Harley Davidson | Hydra Glide | Big Twin | 1953 | |
| Harley Davidson | Hydra Glide | Big Twin | 1952 | |
| Harley Davidson | Hydra Glide | Big Twin | 1953 | |
| Harley Davidson | Hydra Glide | Big Twin | 1955 | |
| Harley Davidson | Model K | Model K | 1952 | |
| Harley Davidson | Model K | Model K | 1953 | |
| Harley Davidson | Model K | Model K | 1954 | |
| Harley Davidson | Model K | Model K | 1955 | |
| Harley Davidson | Model K | Model K | 1956 | |
| Harley Davidson | Model K | Model K | 1955 | |
| Harley Davidson | Model K | Model K | 1956 | |
| Harley Davidson | Big Twin | 1936 | ||
| Harley Davidson | Big Twin | 1937 | ||
| Harley Davidson | Big Twin | 1938 | ||
| Harley Davidson | Big Twin | 1939 | ||
| Harley Davidson | Big Twin | 1940 | ||
| Harley Davidson | Big Twin | 1941 | ||
| Harley Davidson | Big Twin | 1942 | ||
| Harley Davidson | Big Twin | 1943 | ||
| Harley Davidson | Big Twin | 1944 | ||
| Harley Davidson | Big Twin | 1945 | ||
| Harley Davidson | Big Twin | 1946 | ||
| Harley Davidson | Big Twin | 1947 | ||
| Harley Davidson | Big Twin | 1948 | ||
| Harley Davidson | Big Twin | 1938 | ||
| Harley Davidson | Big Twin | 1939 | ||
| Harley Davidson | Big Twin | 1940 | ||
| Harley Davidson | Big Twin | 1941 | ||
| Harley Davidson | Big Twin | 1936 | ||
| Harley Davidson | Sportster | Sportster | 1957 | |
| Harley Davidson | Sportster | Sportster | 1958 | |
| Harley Davidson | Sportster | Sportster | 1959 | |
| Harley Davidson | Sportster | Sportster | 1958 | |
| Harley Davidson | Sportster | Sportster | 1958 | |
| Harley Davidson | Sportster | Sportster | 1959 | |
| Harley Davidson | Sportster | Sportster | 1960 | |
| Harley Davidson | Sportster | Sportster | 1961 | |
| Harley Davidson | Sportster | Sportster | 1962 | |
| Harley Davidson | Sportster | Sportster | 1963 | |
| Harley Davidson | Sportster | Sportster | 1964 | |
| Harley Davidson | Sportster | Sportster | 1965 | |
| Harley Davidson | Sportster | Sportster | 1966 | |
| Harley Davidson | Sportster | Sportster | 1967 | |
| Harley Davidson | Sportster | Sportster | 1968 | |
| Harley Davidson | Sportster | Sportster | 1969 | |
| Harley Davidson | Sportster | Sportster | 1958 | |
| Harley Davidson | Sportster | Sportster | 1959 | |
| Harley Davidson | Sportster | Sportster | 1960 | |
| Harley Davidson | Sportster | Sportster | 1961 | |
| Harley Davidson | Sportster | Sportster | 1962 | |
| Harley Davidson | Sportster | Sportster | 1963 | |
| Harley Davidson | Sportster | Sportster | 1964 | |
| Harley Davidson | Sportster | Sportster | 1965 | |
| Harley Davidson | Sportster | Sportster | 1966 | |
| Harley Davidson | Sportster | Sportster | 1968 |