http://cosworth.info/store/ - Woodford Garage


And it is a Woodruff key you require - the same key is used for the following pullys on a YB:

Inlet Cam pully
Exhaust Cam Pully
Crankshaft Main Pully
Crankshaft Timing Belt pully
Distributor/Oilpump drive pully

should be no more than a couple of quid