A link?? Oh yeah I guess a link would help. Sorry I failed to put it in the original post.
http://www.britcycle.com/
"The full range of high quality Megacycle Cams for Classic British Motorcycles is available through British Cycle Supply, the British Parts Specialists.
VERY LIMITED TIME SPECIAL OFFER ON THESE SELECTED MEGACYCLE BILLET CAMS WHILE STOCKS LAST: 10% OFF YOUR REGULAR PRICE, PLACE YOUR ORDER NOW!!
463-51000 CAMS, TRIUMPH 6/750, MEGA 51005, OUTRIGHT
463-510X1 CAMS, TRIUMPH 6/750, MEGA 10X1, OUTRIGHT
463-510X2 CAMS, TRIUMPH 6/750, MEGA 10X2, OUTRIGHT
463-542X1 CAM, BSA A50/65, MEGA 542X1, OUTRIGHT
463-560NR CAM, 70 ON NORTON NORRIS R, OUTRIGHT
463-560NSS CAM, 70 ON NORTON, NORRIS SS, OUTRIGHT
463-511X5 CAMS, TRIBSA 3CYL, MEGA 11X5, OUTRIGHT"