Billet Fuel Pressure regulator to replace the original Porsche 928 110 198 25 (was 928 110 198 04) current list price of $660. Original Bosch number 0280 160 297 Regulator is 3.8Bar. This part is the same as used on the 911 964 Carrera 2/4 1989 to 1994. Product is "Plug & Play" and the insert is a standard Bosch part. If the insert needs to be replaced in the future they cost circa $50. Designed & Developed by NLA Products in Atlanta. NLA Products is owned by Kevin Berez. #4 on the 928 PET Drawing #17 on the 964 PET Drawing