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PEEK Super Seal Rings for Linkert Manifolds
PEEK Super Seal Rings for Linkert Manifolds
Select variant:

fits 45 cui/750cc 1930-1973; inner Ø: 1-7/16 ”; replaces OEM HD 27058-30


fits 1930-1948 74 cui&80 cui Sidevalves, 1936-1939 OHV, 1940 WLDR; inner Ø: 1-9/16 ”; replaces OEM HD 27057-30

fits 61/74 cui OHV 1940-1954 and WLDR, WR, K, KR models 1940-1965; inner Ø: 1-45/64 ”; replaces OEM HD 27059-40
Price and stock:
Item №
67-148
Price incl. VAT
60.69 €
Available
30
Ready for immediate delivery from our Würzburg, Germany warehouse
The price includes 9.69 € German VAT.
- Seal ring
- for Sleeve nut / Manifold
- fits 45 cui/750cc 1930-1973
- PEEK
- inner Ø: 1-7/16 ”
- replaces Harley-Davidson part number HD 27058-30
- USA
- gross weight: 19 g
These are the seals many of you have heard about, which will once and for all cure the notorious intake leaks of old manifolds. They are machined from PEEK (polyetheretherketone), a thermoplastic with a melting point of 650°F (343°C). Compared to brass seals this material has superior creep resistance and seal properties and can sustain large stresses over a long service life without significant extrusion.
See also:

The Cyclery Linkert Manifold Leak Testers
Engines with a leaking intake manifold are hard to kickstart and will never run properly. That’s why you need one of these leak testers in your workshop, which will once and for all take the guess work out of your installation job. Just bolt them to your manifold (use the stock gasket!), close both intake valves, by slowly turning the engine and with an air hose hooked-up to the G 1/4” fitting apply up to 10 psi of pressure. Spray soapy water around the gasket and manifold clamps and in case of appearing bubbles you can clearly spot any air leaks in your intake system.

Manifold Packing Nuts
Authentic reproductions of the stock manifold packing nuts as used from 1930–up.

Have any questions?
Our service team will be glad to help out: Mondays - Thursdays 08:00-17:00 CET, Fridays 08:00-16:00 CET, Phone: +49 / 931 250 61 16, eMail: service@wwag.com