C9917 EST top end gasket kit. S&S Evo 4" bore
Fits: All S&S Evo style engines with 4" b…
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
- C9917
- OEM Reference
- —
- Pack Quantity
- Each
- Category
- Gasket Sets Top End
- VAT Rate
- 20%
About This Product
This Cometic EST top end gasket kit is engineered for all S&S Evolution style engines featuring a 4-inch bore. It is compatible with both cast and billet S&S rocker covers. The kit includes .040 inch Multi-Layer Steel head gaskets for a high-performance seal, along with .020 inch Single-Layer Steel cylinder base and rocker cover gaskets. These SLS gaskets are coated with high-temperature Viton rubber to prevent weeping and ensure long-term durability. With all necessary gaskets, seals, and o-rings included, this kit provides everything required for a comprehensive top-end rebuild on your high-performance S&S power plant.
Manufacturer part number: C9917.
Fitment
All S&S Evo style engines with 4" bore cylinders
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.