The steel plates get welded to the backbone of any custom motorcycle frame and the bolts pass through the decorative inserts before being threaded into bungs on the bottom of a custom fuel tank (see related products below for a selection of bungs)

or you can abrade the surface with a sandblaster or steel wool for custom painting

The mounting bolt (included) has a pitch of 10mm x 1

Capable of every day use in bikes up to 1100cc

#8012-2 Intake Manifold Nuts 1930-1948 Harley-Davidson 74 & 80 c.i. Flathead 1936-1939 61 c.i. OHV & 1940-1946 WLD - Chrome Plated Subcategory_Fender Hardware The steel plates get weldedIntake Manifold Nuts Chrome Plated Fits 1930 48 Harley Davidson 74 80 cu. in. Flathead,1936 39 61 cu. in. OHV, and 1940 46 WLD. Made in Ohio, USA.