Designed for 402 c.i.d. and larger engines with Edelbrock Performer manifolds and other brands of similar design, these carbs are recommended only for stock to Performer level applications. They are not recommended for use on RPM or Torker II intake manifolds. Calibrated 2% leaner than #1407. Provides excellent fuel economy when used on 454 c.i.d. Chevy and 460 c.i.d. Ford with Performer manifold. Includes both timed and full vacuum ports for ignition advance. Comes with: Metering Jets - Primary .110, Secondary .107; Metering Rods - .075 x .047; Step-Up Spring - orange (5" Hg). Edelbrock Reconditioned Performer Series Carb 9913 750 CFM - Square Flange - Electric Choke - w/o EGR - Includes Primary Jet-0.110 - Secondary Jet-0.107 - Mtrng Rod-0.075x0.047 - Dual Pln Int - St/Hi PerfBurnished AluminumGM/AMC-Style Throttle LinkageElectric Choke Installed from FactoryEasy Tuning with 2-Piece DesignSmooth Secondary TransitionBoth Timed and Full Vacuum PortsIncludes PCV OutletApplications include: 300, 330, 440, 442, 880, 98, B100 Van, B200 Van, B300 Van, Bel Air, Belvedere, Belvedere Ii, Biscayne, Blazer, Blazer K5, Bonneville, Breezeway, Brookwood, Brougham, C10 Pickup Pit Stop USAoffers Edelbrock Reconditioned Performer Series Carb 9913 at low everyday prices. Be sure to check out all of the products from Edelbrock including Edelbrock Fuel System and Intake Parts and Accessories, Edelbrock Carburetors, Edelbrock Gasoline Carburetors, Edelbrock Carburetors, Edelbrock Performer Remanufactured Carburetors.