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Cometic, EST top end gasket kit. Twin Cam 4-1/8" bore
Estimated supplier restock: 27 November 2026
Supplier estimate, subject to change. Delivery time is additional once stock arrives.
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Cometic, EST top end gasket kit. Twin Cam 4-1/8" bore
Sale price£119.93
The details that matter
Details
Description
With MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides.
Kit comes with all gaskets, seals and o-ring for a complete top end rebuild.
Note: Kit comes with 99-04 style valve seals and 99-10 style breather gaskets.
Specifications
| Unit | 1 |
|---|
Fitment
99-17 Twin Cam with 4-1/8" bore (Excl. Twin Cooled) (NU)
Part numbers
| Supplier SKU | 561810 |
|---|---|
| Manufacturer part | C9976-030 |
Specifications
| Brand | Cometic |
|---|---|
| Category | Gasket sets top end |
Fitment
Part numbers
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