Traffic congestion has increased dramatically; today even a normal driver can stop and start up to 18,000 times a year. That’s annoying, but worse, it slowly damages your engine – permanently. Uniquely, Castrol MAGNATEC’s breakthrough DUALOCK molecules cling to critical engine parts and lock together to: Form a powerful force field of protection Dramatically reduce both warm-up and stop-start wear by 50% Deliver unique patented protection designed specifically for modern driving Non-stop protection from every start. Application Castrol MAGNATEC 5W-30 A5 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A1/B1, A5/B5, API SN, ILSAC GF-5 or earlier specification 5W-30 lubricant. Castrol MAGNATEC 5W-30 A5 is approved for use in vehicles where a 5W-30 lubricant that Meets - Ford WSS-M2C913- C/WSS-M2C913-D is required, please refer to your owners handbook. Product Performance Claims ACEA A1/B1, A5/B5 API SN ILSAC GF-5 Meets - Ford WSS-M2C913-C/WSS-M2C913-D