• Primary venturi booster is a bottom feed design for smoother acceleration and better drivability
• Single feed fuel inlet with air valve secondary type
• Shiny silver finish and calibrated for gasoline
• Manual choke with 4-barrel square bore carburetor flange', "Backed by Edelbrock's exclusive 90 day warranty

AMAZON.CA PRODUCT DESCRIPTION The Edelbrock Performer Square Bore Air Valve Secondary Manual Choke New Carburetor features a two-piece, all-aluminum construction for cooler operating temperatures and less warping. It is designed and calibrated for good street performance and fuel economy in 402 CID and larger engines with the Edelbrock Performer manifolds. There are no gaskets below the fuel bowl level for fewer leaks and no plastic parts or power valves to blow out. The Performer manual choke carburetor includes both timed and full vacuum ports for ignition advance. The carburetors use easily changed metering rods for precise tuning. The Edelbrock Performer covers the replacement or repair of the product only and does not cover the cost of removal and installation.Bore Diameter :Primary Bore 1.44; Secondary Bore 1.69 FROM THE MANUFACTURER Designed and calibrated for optimum street performance in small-block and some big-block engines. Match with a variety of manifolds that include Edelbrock Performer, Performer EPS, Performer RPM, RPM Air-Gap, Torker II and other brands of similar design. Includes both timed and full vacuum ports for ignition advance. Electric choke can be added if needed. Comes with: Metering Jets – Primary .100, Secondary .095; Metering Rods – .070 x .047; Step-Up Spring – orange (5" Hg). Use our Carb Studs if needed. FEATURES * This manifold offers the latest technology in dual-plane high rise design * Manifold not equipped with EGR and has no provisions for exhaust heated chokes * Works with manual or electric choke carb * Accepts late-model water neck, air conditioning, alternator and HEI equipment * Will not fit under stock Corvette hood