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Used to upgrade the 1200cc Knuckle & Pans 40-54 plumber's style inlet to the more reliable seal of the 55-65 style O-ring system.
Steel.
Screwed.
Fits: > 40-47 74" Knucklehead; 48-54 74" Panhead
Colony, Conv. Manifold O-Ring Nipple Kit for Harley-Davidson
57.16 €
Steel.
Screwed.
Fits: > 40-47 74" Knucklehead; 48-54 74" Panhead