![]() ![]() Start the engine and bring to break-in rpm. Slow idle speeds may result in severe cam and lifter wear. 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. The torque of these camshafts ranges from idle to 5,500 RPM. ![]() These are designed for maximizing the performance of your Chevy trucks. This is considered as the best cam for 355 with Vortec heads by enthusiasts looking for performance. Oil/additive must contain Zinc designed for use with flat tappet camshafts. The Edelbrock 2102 camshafts are designed for providing optimum torque. Do not use rotator type valve springs or retainers for this application. Recommended Valve Springs for OEM heads: Edelbrock part #5703 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.So, don’t buy it if your engine fits those descriptions. It is not compatible with LT1/LT4 or factory roller Small Blocks built from 1985 and newer. For more information, visit Installation Notes COMP Cams CL12-234-2 is a USA-made camshaft that fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350, and 400. 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. ![]()
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