From WebCam: Please use a premium grade (SAE
30) petroleum-based racing motor oil such as Kendall or Valvoline.
We do not recommend any type of synthetic oil. Use new followers,
shims, rockers, etc. with new camshafts. Failing to do so will
cause premature failure of your camshaft. Camshafts require special
break-in procedures. For the first 10-15 minutes of use, we recommend
setting your engine at a high idle (2000 rpm) to insure proper
PLEASE TAKE CARE
DURING INSTALLATION. THERE IS NO LOBE WEAR OR BROKEN BILLET WARRANTY.