AFR Bullitt Cylinder Head Assembled 2.25/1.76" Valves 285 cc Intake 75 cc Chamber - 1.625" Spring - Big Block Ford RS00500313 Replace original X1 Series regulator

Replace original X1 Series regulator internals with the conversion kit of your choice (Part #

Proven Performance

acceleration and throttle response

1979-1995 GMC C3500

1959-1959 Chevrolet 3B

AFR Bullitt Cylinder Head Assembled 2.25/1.76" Valves 285 cc Intake 75 cc Chamber - 1.625" Spring - Big Block Ford RS00500313 Replace original X1 Series regulatorProduct Description: Cylinder Head Bullitt Assembled 2. 250 1. 760 in Valves 295 cc Intake 75 cc Chamber 1. 625 in Springs Aluminum Big Block Ford Pair Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic