Seller notes

Edelbrock Signature Valve Covers For AMC/Jeep 290-304-343-360-390-401 V8 4431 PRODUCT DESCRIPTION :Due to government regulations, in recent years oil manufacturers have removed the Zinc and many other additives from their motor oils. Using one of these “off-the-shelf” brands of oil during the critical break-in process can lead to a failure. Thus, COMP Cams® Engine Break-In Oil and Additive are designed to extend the durability of internal engine components including camshafts, valve train c...

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