Black coated steel

and the supplied stainless steel screws mount your 6" heat shield securely in place with no welding or fabrication required

The taper on NPT threads allows them to form a seal when tightened

This innovative kit provides a superior seal

one set per motor) for all 650cc and 750cc unit twins as well as pre-unit twins 1954 to 1962 with single piece cranks

#8809-6 Stem Bolt & Cover Kit 1957-1978 Harley-Davidson Sportster - Chrome Plated Inside Diameter_.75" Black coated steelComplete kit includes sleeve, stem bolt, dust shield, spacer, rubber plug, and chrome cover. 1957 78 Harley Davidson Sportster without steering damper. Made in Ohio, USA.