Re: OMC 5.5 vs 6 Driveshafts

[Mumbles]

Six horse shafts are all the same from ’66 – ’75. Driveshafts used in ’76 – ’79 models had fine splines on the pinion end and will have to use the matching gear set, which will fit. ’65 and down two piece shafts will not work in the later housings.