90-23-28OS HARLEY JD INTAKE HOUSING VALVE POCKET W/ GUIDE 1923-1929 74" TWINS

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Part 90-23-28 Oversized Inlet Pocket 

This is for 1 valve pocket with an Oversized valve guide installed. 
Valve guide has been honed to fit our (Competition Dist.) valves.  ID is .189" 

Fits:
1923 - 1925 DCA & DCB Motors
1926 - 1929 FD & JD's
1928 - 1929 74" H Motors

  • The Valve Seat has been cut.  
  • The rocker arm tower locating pin is installed.
  • This is a 4 Window Pocket to help prevent collapsing of the valve seat.
  • Fits Front or Rear Cylinder. Sold Each.
  • Valve guide (95-24OS) is included.
  • OD - 2.372" Height - 1.3"

(this part replaces parts 90-23 and 90-28)