Holley Fuel Pressure Regulator Gauge Kit (Carb. Only w/ Liquid Gauge) 0 Holley Fuel Pressure Regulator Gauge Kit (1-4 PSi / Carb Only) If you are running a Weber carburetor on your Toyota truck, this kit is a must-have and a great way to keep your fuel system running... $127.84 Quick view add to cart Add Wish List add to cart