This camshaft is a new chilled-iron casting with lobes ground to specs to provide much improved performance for engines with Zenith Carburetors. This cam is recommended for Hot Street and Vintage Racing.

Specifications are:

• Duration:
  254 degrees on exhaust
  258 degrees on intake
• Lift:
  .372" on exhaust
  .373" on intake
• Lobe separation: 105.9 degrees.

All new camshafts should be installed along with new or re-ground tappets.

Motul break-in oil should be used for initial start-up. Then, switch over to Motul Classic Oil for normal driving.