Carburetor - Remfd Edelbrock Performance

The Edelbrock 1825/18259 Thunder series AVS 650 cfm manual choke carburetor has been designed & calibrated to deliver optimum off-road performance. Several characteristics make the 1825 Thunder series AVS 650 cfm manual choke carburetor an outstanding street Performer. The first one is that metering rods are utilized to transition between circuits. The carburetor is unaffected by engine backfires, which means that there are no power valves to blow out, & the rods can be changed in sec w/o carburetor removal or fuel draining. Secondly, the carburetor has the unique ability to hold a tune, so once it is tuned, the carburetor stay's tuned. What this means to you is that compared to other carburetors, the performance remains consistent & the calibration stays unchanged. The third characteristic is the primary & secondary booster clusters that are utilized offer the most accurate & up-to-date calibration available for todays fuels & octane levels. Fourth the unique Thunder series qwik-tune secondary air valve allows for limitless calibration of the secondary circuit with simple hand tools while on your vehicle. Its quick. Its simple. Its effective. It can be easily adjusted - in sec - to suit your application. No extra parts required to achieve optimum performance. (calibrated for off-road performance) designed & calibrated for optimum off-road performance in small-block & some big-block engines. Match with a variety of manifolds that include Edelbrock Performer, Performer EPS, Performer RPM, RPM Air-Gap or other brands of similar design. Includes spring-loaded needles & seats for superior fuel control in off-road terrain. Includes: metering jets - primary.095, secondary.098. Metering rods -.065 x.047. Step-up spring - orange (5 hg). Use carb studs #8008 or #8024 if needed.