Part Description
Fits late 1976-1984 Shovelhead and 1984-2000 Evolution Big Twin, Chrome, 12-point heads, stock 1/4-20x7/8" UNC, set of 8 (OEM 3770)
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.