C9908 EST motor gasket kit. 3-5/8" Big Bore
incl. VAT
Chapter members save 15% · Sign in for member pricing
Estimated delivery: 3–15 working days
Authorised
Iron City Dealer
14-Day Returns
Easy & hassle-free
Secure Checkout
256-bit encryption
Free UK Delivery
On orders over £100
Specifications
- Brand
- Cometic
- Part Number
- C9908
- OEM Reference
- —
- Pack Quantity
- Sold as a set
- Category
- Gasket Sets Motor
- VAT Rate
- 20%
About This Product
For Evolution Big Twin owners running a 3-5/8 inch Big Bore kit, this Cometic EST motor gasket kit is the ultimate rebuild package. Fitting 1992 to 1999 models, this set includes every gasket, seal, and O-ring for the entire engine, including the primary gaskets. It features .040 inch thick Multi-Layer Steel head gaskets and .020 inch Single-Layer Steel base and rocker gaskets coated in high-temperature Viton. These materials are designed to resist weeping, tearing, and becoming brittle over time. The kit also includes Viton valve seals and high-performance exhaust gaskets. It is sold as a set, providing everything needed for a professional engine reassembly.
Manufacturer part number: C9908.
Fitment
25 models92-99 Evo Big Twin
Dyna 6 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1992 | Dyna Daytona FXDB |
| Harley-Davidson | 1993–1999 | Dyna Low Rider FXDL |
| Harley-Davidson | 1995–1996 | Dyna Super Glide Convertible FXDS |
| Harley-Davidson | 1995–1999 | Dyna Super Glide FXD |
| Harley-Davidson | 1993–1999 | Dyna Wide Glide FXDWG |
| Harley-Davidson | 1992 | Super Glide Custom FXDC |
FXR 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1992 | Low Rider Convertible FXRS |
| Harley-Davidson | 1992 | Low Rider FXRS |
| Harley-Davidson | 1992–1994 | Super Glide FXR |
Police 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1998 | Electra Glide Standard Police FLHTPI |
Softail 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1993–1996 | Heritage Softail Nostalgia FLSTN |
| Harley-Davidson | 1997–1999 | Heritage Springer FLSTS |
| Harley-Davidson | 1999 | Night Train FXSTB |
| Harley-Davidson | 1995–1997 | Springer Softail FXSTSB |
Super Glide 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1997–1999 | Dyna Super Glide Convertible FXDS |
| Harley-Davidson | 1993 | Super Glide Convertible FXRS |
Touring 9 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1992–1998 | Electra Glide Classic FLHTC |
| Harley-Davidson | 1996–1998 | Electra Glide Classic FLHTCI |
| Harley-Davidson | 1998–1999 | Road Glide FLTR |
| Harley-Davidson | 1998 | Road Glide FLTRI |
| Harley-Davidson | 1998 | Road King Classic FLHRCI |
| Harley-Davidson | 1993–1999 | Road King FLHR |
| Harley-Davidson | 1996–1997 | Road King FLHRI |
| Harley-Davidson | 1996 | Tour Glide Ultra Classic FLTCUI |
| Harley-Davidson | 1995–1998 | Ultra Classic FLHTCUI |
Related Products
View all →More from Cometic
View all →Who are we? Leeds Harley-Davidson - Iron City Motorcycles
This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.
From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.
Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.