Cam-shield™ brand engine oil additive provides premium ZDDP anti-wear protection for camshafts, lifters and valve trains in your classic car, hot rod or race car. Add Cam-shield™ to any conventional or synthetic engine oil to raise the ZDDP concentration to the level required for protection of historic flat tappet cam engines or race engines. BEST product, BEST value to protect your investment!
GOT ZINC? Your classic car or hot rod engine wishes you did.