K & N Performance Gold Oil Filters
Designed for today's high-performance synthetic oil unaffected by racing fuels. Check valve prevents oil drainback and dry starts. New pressure relief valve. 17mm wrench nut for easy service (drilled for safety wire security). Wall construction is 50% thicker, it has a stronger inner core and heavy base plate with double rolled seal. TUV endorsed and TUV factory prodution monitored.