James, o-ring breather
James Gaskets
#11621
54 products — Page 2 of 2
James Gaskets rocker cover gaskets and seals for Harley-Davidson reflect the brand's 45-year specialisation in V-twin sealing, with a catalogue that covers the full arc of American motorcycle engine development from 1948-1965 Panhead rocker boxes through to 1999-2010 Twin Cam top ends. Their materials selection is application-specific rather than one-size-fits-all: composite gaskets, silicone seals, and cork compounds are each deployed where they perform best under the particular heat cycles and clearances of each Harley-Davidson engine generation, including 1966-1984 Shovelhead, 1984-1991 Evo Big Twin, 1986-2022 XL Sportster, and 2008-2012 XR1200. Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, stocks James Gaskets rocker cover seals as the dependable choice for professional workshops and home builders who cannot afford a comeback job — no leaks, no fuss, first time. The brand's dedicated focus on Harley-Davidson means their engineers understand the marginal clearances and fastener torque values that make rocker cover sealing successful across these diverse engine architectures. Browse the full James Gaskets Rocker Covers Gaskets And Seals range below.
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Showing 1–48 of 54 GASKETS by James Gaskets
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