... 3") 15 flutes - 2 step Fits Opel, Ford, VW, Audi,Mercedes, Fram, AC, Saturn, etc...75 to 77mm ( ... " to 3-1/32") - 15 flutes - 2step Fits VW, Audi, Casite, GM//AC, Hastings, Wix, NAPA Ford. IsuzuMercedes, ... Opel, Mazada, Volvo. Mitsubishi.Purolator, Wix, Nissan, VW, Porche, Renault, Ford, Honda. Audi. etc...93mm (3-21/32") - 36 flutes ... (3-21/32") - 45 flutes - 1 step VW-Audi.(Tdi 2.4,2.6,2.8L) etc...95mm ( ...