90-23-28K HARLEY JD INTAKE HOUSING VALVE POCKETS 1923-1929 74" TWINS

Part 90-23-28K  Complete Valve Pocket Assemblies are READY TO RUN.

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

 2 Complete valve pocket assemblies. (front & Rear)
Includes: pockets, springs, keepers, and valves (all assembled) 
 - Pocket Dimensions: OD - 2.372" Height - 1.3"
 - Valve guide is honed to fit the valve properly.
 - The Valve Seat has been cut to 30° and is Lapped to the valve.
 - Knife Edged 2 window support with ramped back to increase airflow
 - These are directional to optimize airflow so there is one front and one rear pocket.

Pockets are machined and heat treated  

Made by Competition Distributing