This fitting has dual fittings 150 degrees apart

Remove the decorative trim from your battery cover

#SHC-969 5/16-18 x 1 length Chrome Socket Head Allen Bolt - 10 Pack

Timing Cover Screw Kit Chrome Plated Fits 1936-69 Harley-Davidson Big Twins

In the fall of 2007

No. 22 Engine Rotation Socket - 10 Spline for 1955-2006 Harley-Davidson Big Twin Subcategory_Magneto Ignitions This fitting has dual fittingsEngine Rotation Socket a must have tool for any occasional or professional engine builder. Being able to quickly, easily, and accurately turn your motor over while it's being assembled is an absolute must. These sockets are thick walled and tough as nails. The spline fit has intentionally been made with just a hair of extra play so the socket slides onto your sprocket shaft with ease, even if it's an old shaft that has a couple burs or defects in it.