fairy free wheeling hubs fitting remove drive flange (6 3/8 unf bolts and spring washers) remove split pin ,castlated nut, washer and felt oil seal Slide F W Hub onto splines fit NEW felt oil seal (plastic side out ) re fit washer ,nut and split pin greace gaskit offer up outer flange to hub making sure the actuater bosses are correctly engaged in the right slots (if you look at the inside of the flange you should notice they is a small slot and larger one ensure the bosses engage in there correct slots If you find that the 6 4 inch bolts do not line up with the HUB tap the centre of the hexigon boss out and set it to the correct slots offer up the flang turning it untill the holes line up put 2 bolts in oposit each other pul tight and then fit the other 4 bolts job done THE INOVATER