whether you're using a 3-piece or 4-piece configuration

20cm Part #: 290-25-040

there must be a valid seal between the piston and the foot

like the Nuke Performance CFC unit

34" ) < Diameter 28

Fuel pressure gauge 7 BAR / 100 PSI OljekylningsAdapter whether you're using a 3-pieceNuke Performance liquid filled mechanical fuel pressure gauge with a 35mm white and black face with red needle for easy and accurate reading. A high accuracy fuel pressure gauge with 0 100 PSI and 0 7 BAR, easy to read scale. Housed in a chrome body, filled with fluid that helps the needle from the vibrations of the engine, this gauge is of the highest quality and really durable design. Reads from 0 100 PSI and 0 7 BAR Black and white dual scale