Adjustable fuel pressure regulator for Jeep Cherokee XJ and Comanche MJ Renix 4.0L engines (1987-1990).  This allows you to adjust your fuel pressure and fix the biggest challenge with getting a Renix running right like low idle and lean WOT condition.  The full kit includes everything you need for a plug-and-play replacement of the stock fuel pressure regulator, as well as printed instructions, and a -6 AN fitting for use with aftermarket lines.  Available Options:

• Full Kit (Bolt-in) -- Includes Aeromotive AFPR, gauge, and all brackets/fittings (plus an extra -6AN output fitting for future use with custom fuel lines.
• Hardware/Fittings Only -- Includes all hardware and fittings ONLY to work with Aeromotive 13129 Adjustable Regulator and Aeromotive 15633 Fuel Pressure Gauge (or equivalent).

Installation Video