• Designed for todays high performance synthetic oils and are unaffected by racing fuels
• Each filter includes a check valve to prevent oil drainback and dry starts as well as a new pressure relief valve
• Has an 11/16″ nut welded to the top for easy servicing in tight spaces
• 50% thicker walls, stronger inner core and a heavy base plate with double rolled seal
• TUV endorsed and TUV factory production monitored