it's built in behind the engine compensating sprocket located inside primary cover, left hand side of the bike
The Harley Davidson Shovelhead engine was manufactured between 1966 and 1984. The Shovelhead is a 45 degree V-twin motorcycle engine, and is air cooled.
1966
Harley Davidson Shovelhead
1966-1984
Shortsters? No why would anyone do that
Harley stopped production on the Shovelhead in 1984
they are Allen head bolt covers
Road Kings were introduced in 1980 with a Shovelhead motor.
Four speed transmission is : one down, three up.
The panhead design for Harley Davidson started in 1948. It replaced the engine by Knucklehead. In 1965, it was replaced by what is known as a shovelhead.
The last model year for the shovelhead engine was 1984. It was produced concurrently with the new Evolution big twin that entire model year.
A Harley Shovelhead engine is unique in the way it leaves the engine without a cover and instead uses rocker arms and rocker boxes. As well as a unique look it enabled the bikes have 10% more horsepower than pan head engines.