Part Description
Fits 1936-early 1953 Big Twin and 1937-1973 45CI, Parkerized (black oxide coated), OEM style counter sunk slotted heads, stock 1/4-24 NS thread, Set of 8 screws and 8 washers (OEM 2329 + 7231)
Text excerpt from the catalog:
Complete sets to bolt tappet blocks (also known as lifter bases) to the crankcase made by Colony in the USA.