Camshaft Rover V8 Std 3.5/3.9/4.2i
ALWAYS install new valve tappets when installing a new camshaft; CRO66050-16
Run the camshaft in with fresh 10W40 oil with zinc addition; COM159
Check the quality of the pushrods; if in doubt replace; 603378
Usually the distribution also needs to be replaced; the chain always shows play; replace the entire set for CLOC-3003K or the even better quality CLO9-1132