The new motor oils with reduced ZINC levels leave many older and high performance engines without the proper EP wear protection needed to protect the cams, liters and rocker arms. All flat tappet cam engines are at risk for significant cam wear problems. Hy-Per Lube Zinc Replacement Additive contains an exclusive Polymer Ester formula, when added to any motor oil, including the new SM rated oils, will provide up to TWICE the EP wear protection as high ZINC or ZDDP content motor oils. Hy-Per Lube Zinc Replacement Additive will provide maximum wear protection for cams & lifters in flat tappet cam design engines. Call 888-275-0015 or visit www.hyperlube.com.