James, washer valve spring cover. Upper
James Gaskets
#18245-39
246 products — Page 3 of 6
James Gaskets engine components represent the intersection of what the brand does exclusively — Harley-Davidson gaskets and seals — and where seal failure is most costly: inside the engine itself. A head gasket failure on a Milwaukee-Eight or a base gasket leak on an Evolution-era V-twin means a top-end strip. James Gaskets has been manufacturing the sealing solutions for exactly these scenarios since 1979, with engine gasket coverage spanning every Harley-Davidson powerplant from vintage Flatheads and Knuckleheads through Panhead, Shovelhead, Evolution, Twin Cam, and the latest Milwaukee-Eight. Their engine gasket kits use application-specific materials — compound choices vary between a Shovelhead head gasket and a Milwaukee-Eight base gasket because the sealing demands are genuinely different, and James Gaskets accounts for those differences at the compound selection stage rather than relying on a single material across the full range. For professional Harley-Davidson engine builders, that specificity is exactly what makes James Gaskets the default choice. Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, stocks James Gaskets engine components for UK workshops that won't accept a sealing compromise. Browse the full James Gaskets Engine range below.
Or enter a custom range
Showing 1–48 of 246 MOTOR PARTS|Gasket & Seals|Engine|X-Wedge parts by James Gaskets
Free UK Delivery
On orders over £100
14-Day Returns
Easy & hassle-free
Authorised Dealer
Iron City Motorcycles
Secure Payment
256-bit encryption
It looks like you're in Europe
Would you like to view prices in €?