Maybe (if you decide to get those) see if they combine postage - would make it more worth while
https://www.[Censored].com/o-ring-for-main-jet-suits-victa-g3-models-from-1968-74.html (if you are still after the o rings for the Cortina fuel tap)
They also have the regular Victa blades from that region before 74, but after they combined cutter with lifter
https://www.[Censored].com/victa-lawn-mower-swing-back-blade-set-ca09263s.html. Those fit the Storebrands (eg monaro), sunbeam, etc
BBN451 GA is the bolt set
