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Top End
Cylinder Heads
for Knucklehead
The Cyclery Rear Exhaust Cover Adapter

The Cyclery Rear Exhaust Cover Adapter

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.

  • for Rocker housings
  • fits Knucklehead 1938-1940
  • steel, parkerized
  • replaces OEM 177-38, and 17570-38
  • Germany
Item №
net price*
Availability in warehouse Germany
The Cyclery Rear Exhaust Cover Adapter
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* United States of America: Tax free shipping. Please check your local import fees.

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