Designed and calibrated for optimum street performance in small-block and big-block engines with Performer RPM, RPM Air-Gap and Torker II manifolds and with Performer manifolds on large cubic-inch engines.Comes with: Metering Jets - Primary .113, Secondary .107; Metering Rods - .071 x .047; Step-Up Spring - orange (5" Hg). Includes both timed and full vacuum ports for ignition advance.
Electric choke #1478 can be added if needed. Brake booster fitting not included.Use Edelbrock carb studs #8008 or #8024 if needed.
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