Do not allow the engine to run under 2000 rpm for the first 1/2 hour.
Coat cam lobes and bottoms of each lifter with MoS2 lube (supplied) to prevent cam lobe and lifter wear from occurring during initial start-up. Oil/additive must contain Zinc designed for use with flat tappet camshafts. Do not use rotator type valve springs or retainers for this application. Use only stock ratio rocker arms Adjustable valvetrain required In order for this Performer RPM cam and lifter kit to be covered under ANY WARRANTY you MUST use the correct Edelbrock Sure Seat Valve Springs or equivalent. Recommended Valve Springs for OEM heads: Edelbrock part #5762 Not for 1965-66 big-block Chevys requiring a grooved rear cam journal.For more information, visit Installation Notes WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
