When the double overhead cam 'Black Bomber' was launched in 1966, no other 500 was close in performance, in fact it when on to win the 500 Production TT, just rub salt in to the British manufacturers wounds, those who said Honda would never be able to build 'big bikes'! Keep that TT winning performance on your CB450 or 500T, by giving the crabs a complete re-build, all the parts you need, can be found at CMS. If you are unsure check out the online 'parts list' fiche. You may be surprised at the amount of genuine Honda stock we hold for these types of Honda!