The Cat Cams 1302461 is classed as a 'sport' cam, and can be fitted to the R50, R52 and R53.
Please note that this cam requires your ECU to be tuned for the cam.
257°/259° - 210°/214° - 9.55mm/8.50mm - 0.40mm/1.05mm
Please see the data sheet here - 1302461 Data Sheet
Please note this is for the camshaft only, unless the option for the ARP Camshaft Sprocket Bolt has been chosen. If the ARP Camshaft Sprocket Bolt option has been chosen, we may open the ARP packaging and pre-install the bolt in the cam to save on additional packaging.