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

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)