With a hollow axle and QR? In that case you'll need a longer axle (132mm for 126mm OLN) plus some spacers. Campyoldy have the complete assembly including cones for £25 http://www.campyoldy.co.uk/stocklist.htm
scroll down to "Record 6spd rear q/r axle complete with cones, spacer & locknuts"
and you probably also need the longer QR skewer 2 lines below it
With a hollow axle and QR? In that case you'll need a longer axle (132mm for 126mm OLN) plus some spacers. Campyoldy have the complete assembly including cones for £25
http://www.campyoldy.co.uk/stocklist.htm
scroll down to "Record 6spd rear q/r axle complete with cones, spacer & locknuts"
and you probably also need the longer QR skewer 2 lines below it