It accepts any modern threaded Harley-Davidson gas cap and will accept 1/4" NPT petcocks

because what looks like a period type HM5 6V accumulator on the outside can house a safe

Custom builds like cafe racers or small bore customs up to 800cc

This replacement ignition rotor is the quality you expect from S&S Cycle

adjustable from 6000 to 7500 rpm

Primary Cover Gasket 1965-1988 Harley-Davidson Big Twin Subcategory_Tank Bags It accepts any modern threadedThis Primary Cover Gasket fits 1965 1988 Harley Davidson Big Twins. James Gaskets are known world wide for their close attention to quality and fit. Made in the USA. For complete fitment see the additional Information below. Top quality gaskets, seals and o rings meet or exceed OEM specifications Made in the U. S. A.