The Edelbrock 9963 Remanufactured Performer Series 800 CFM electric choke carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day. Several characteristics make the 9963 Remanufactured Performer Series 800 CFM electric 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, and the rods can be changed in seconds without 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 and the calibration stays unchanged. The lightweight all-aluminum body features a two-piece body that resists warping and is compatible with gasohol and blended fuels. The simple tub-type bowls and rear-pivot floats all contribute to a carburetor thats reliable, user-friendly and is easily tunable for miles and miles of trouble-free operation. Dyno tests proved that the EPS 800 carb outperformed a Holley #3310 carb out-of-the-box by 26 ft-lbs of torque and 22 hp on a small-block Chevy engine equipped with an Edelbrock Performer RPM power package. (CALIBRATED FOR PERFORMANCE) Designed and calibrated for maximum street performance with most Performer RPM, RPM Air-Gap and Torker II manifolds and with Performer manifolds on large cubic-inch engines. Dyno tests proved that the EPS 800 carb outperformed a Holley #3310 carb out-of-the-box by 26 ft-lbs of torque and 22 hp on a small-block Chevy engine equipped with an Edelbrock Performer RPM power package. Comes with: Metering Jets - Primary .113, Secondary .101; Metering Rods - .071 x .047; Step-Up Spring - orange (5 Hg). Use Carb Studs #8008 or #8024 if needed.
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