Lucas TB Zinc-Plus Engine Break-In Oil Additive is designed for all who fear the initial break-in period of any new motor, especially if they are running a flat tappet camshaft. After reviewing our customer service requests, we found that many of our customers had requested an additive package that would protect the new or rebuilt hot rod or race motor they have built. The new Lucas Oil TB Zinc-Plus has an additive package that will help seat in the new rings while providing an excellent extreme pressure additive package that will help protect the entire valve train, and of course, the camshaft. We have found through dyno testing that the engines do, in fact, break-in much faster with less blow by, and will require less time on the dyno prior to installing in your hot rod or race car. The new TB Zinc-Plus is also safe for use in any racing situation to increase your extreme pressure additives in any conventional or synthetic motor oil. Remember: Lucas Engine Break-In Oil Additive TB Zinc-Plus protects camshaft lifters and valve train during break-in period of motors. It is excellent for flat tappet camshafts during break-in or as an additive to any motor oil to prevent premature wear. It contains an exclusive blend of extreme pressure additives and is designed for race lications

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