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Adapter by The Cyclery, for Rocker housings, fits Knucklehead 1938-1940, steel, parkerised, replaces OEM 177-38, and 17570-38, Germany, gross weight: 36 g

This adapter was used by the factory 1938-1940 and is required for all early type rockerboxes on the rear exhaust position to seal properly against the valve spring and rocker arm covers.

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9.69 €
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* The price includes 1.55 € German VAT (19% or reduced rate of 7% for Books).

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