The weld-on mount is coped for 1" diameter tubing

#BHC-836 1/4-20 x 1-3/4 inch Length Chrome Button Head Allen Bolt - 10 Pack

NOTE: Under rocker split lines fit all carbs including S&S E but super B will require a 1" spacer between intake and carb otherwise enricher knob will hit the oil line unless you modify it

and 37210-47 release worm cover used on 1954-1970 Sportster

- Proven success on various models

#8445-12 Timing Cover Cap Set 1936-1969 Harley-Davidson 74 & 61 cu. in. OHV - Chrome Plated Color_Grey The weld-on mount is copedTiming Cover Cap Set, 12 screws. Fits 1936 1969 74 & 61 cu. in. OHV Harley Davidson. Made in Ohio, USA.