AEM Adjustable Fuel Pressure Regulator - Universal (-6AN IN + OUT) Brake Discs The pipe diameter and layout

The pipe diameter and layout are based on the track record of the N1 muffler kit for the S660

its larger to facilitate a higher power level

Replace these worn parts with Whiteline synthetic elastomer bushings that offer long lasting durability for a safer more predictable vehicle

Optional Cyclic idle (normal and cool-down)

they will also need a replacement auxiliary belt

AEM Adjustable Fuel Pressure Regulator - Universal (-6AN IN + OUT) Brake Discs The pipe diameter and layoutAEM's Universal Adjustable Fuel Pressure Regulator is capable of supporting enough fuel flow for engines up to 1000 horsepower. Our universal FPR is tapped to accept a 6 AN, or 9 16x18 fittings and includes a 1 8 NPT port for a fuel pressure gauge or pressure sensor pick up.