17 AIR & FUEL DELIVERY Order today! SummitRacing.com | 1-800-230-3030 Tag your project with #BuiltWithSummit Holley Street Avenger™ Carburetors Holley’s Street Avenger carburetors come calibrated for optimal street performance right out of the box. The fuel metering system delivers excellent low-end torque, responsive acceleration, and strong top-end horsepower. Plus, they feature Gen IV power valves with blowout protection, and a great-looking vibratory polished fi nish. Electric choke models include factory preset chokes for cleaner, smoother starting and warm-up in all climates. Street Avenger 2300 Carburetors These 2-barrel carburetors have a standard 2300 (3.46" x 5.16") bolt pattern and are excellent replacements for 1950s through ’70s Ford and AMC vehicles, or any manifold or adapter with a 2300 bolt pattern. Each carb has two vacuum ports (timed and manifold) and includes a straight fuel line fi tting and Ford transmission kickdown with a hardware kit. HLY-0-80350 350 cfm, electric choke ...............................................each $599.95 HLY-0-80500 500 cfm, electric choke ...............................................each $614.95 Street Avenger 4150 Carburetors These 4150 dual-inlet, square-bore 4-barrel carbs feature Holley’s No Trouble™ quick-change vacuum secondary for easy trackside tuning. They include four vacuum ports. Compatible with GM, Chrysler, and Ford A/T kickdown linkage; additional parts may be required. HLY-0-81570 570 cfm, manual choke ..............................................each $687.95 HLY-0-80570 570 cfm, electric choke ...............................................each $716.95 HLY-0-81670 670 cfm, manual choke ..............................................each $687.95 HLY-0-80670 670 cfm, electric choke ...............................................each $699.95 HLY-0-80770 770 cfm, electric choke ...............................................each $716.95 HLY-0-80870 870 cfm, electric choke ...............................................each $716.95 Holley 4150 Aluminum Street Avenger™ Carburetors These Holley Aluminum Street Avenger 4150 4-barrel carburetors have all of the great performance-building features that made the original Street Avengers famous, but they’re 5 lbs. lighter! They’re ready to perform right out of the box, plus they feature Holley’s No Trouble™ quick-change vacuum secondary for mild-to-wild tuning in about 60 seconds, clear glass sight windows for easy fl oat adjustments, Ford kickdown linkage, four vacuum ports, and dual fuel inlets with built-in fi lters. An electric choke ensures easy starting and smooth warm-ups in all climates, and each carb includes a rubber fuel line kit and Holley’s limited lifetime warranty. Aluminum Street Avengers have a vibratory polished fi nish that can be hand polished for more luster. HLY-0-83770 770 cfm, 400+ hp .........................................................each $716.95 HLY-0-83870 870 cfm, 500+ hp .........................................................each $737.95 Aluminum Ultra Street Avenger Carburetors Ultra Street Avenger carburetors up the ante with Holley’s four-corner idle system, plus 6061-T6 billet aluminum base plates and metering blocks in your choice of anodized colors. Or for a stealthy look, choose Holley’s Hard Core Gray powdercoat fi nish with a black anodized base and metering blocks. Choose a fi nish (where applicable) by adding one of the following codes to the end of the part number: BK=polished/black; or BL=polished/blue. Polished Black Polished Blue HLY-0-86670_ 670 cfm, 300-400 hp $921.95 $921.95 HLY-0-86770BK 770 cfm, 400+ hp $921.95 ——— HLY-0-83870 HLY-0-80570 HLY-0-80350 Quick Fuel Technology Q-Series Carburetors Designed for bracket racers and weekend warriors, these Quick Fuel Q-Series mechanical secondary carburetors are purpose-built for the dragstrip. The lightweight dual-inlet 4-barrel carbs feature die-cast aluminum main bodies with scalloped venturi openings for improved airfl ow and optimized booster signal, plus down-leg boosters (except as noted), tunable billet metering blocks with 4-corner idle screws, screw-in air bleeds, and power valve channel restrictions. Other features include Tefl on®-coated and sealed shafts, adjustable secondary idle-speed brackets, dual sight windows, and notched secondary fl oats with jet extensions for improved fuel delivery. They have square-bore fl anges and a clear chromate fi nish with color-coded red (gasoline) or green (E85) anodized metering blocks and throttle bodies. QFT-Q-650-B2 650 cfm, gasoline, blower 2x4 ............................ each $1,126.95 QFT-Q-750 750 cfm, gasoline ................................................ each $1,126.95 QFT-Q-750-AN 750 cfm, gasoline, with annular boosters ............ each $1,349.95 QFT-Q-750-B2 750 cfm, gasoline, blower 2x4 ............................ each $1,229.95 QFT-Q-750-E85 750 cfm, E85 ....................................................... each $1,229.95 QFT-Q-850 850 cfm, gasoline ................................................ each $1,229.95 QFT-Q-850-E85 850 cfm, E85 ....................................................... each $1,399.95 QFT-Q-950 950 cfm, gasoline ................................................ each $1,349.95 QFT-Q-1050 1,050 cfm, gasoline ............................................. each $1,499.95 Quick Fuel QFX Carburetors Quick Fuel’s QFX Series carburetors are made just for the strip! These 4500-style 4-barrel carburetors feature a lightweight aluminum main body with a tumble polished fi nish and raised air horns to improve entry angle. Billet aluminum annular booster inserts enhance fuel atomization for healthier combustion. The tunable fi ve-emulsion red anodized aluminum metering blocks and four-corner idle circuits provide a wide range of adjustability. They’re fi nished with Viton™ .130" needles and seats, aluminum fuel bowls with dual sight windows, easy-to-adjust QuickLink™ secondaries, and each comes hand-assembled and tested for optimal performance. QFT-FX-4700 1,050 cfm, 2-circuit...............................................each $1,749.95 QFT-FX-4710 1,050 cfm, 3-circuit...............................................each $1,749.95 QFT-FX-4711 1,150 cfm, 3-circuit...............................................each $1,849.95 QFT-FX-4714 1,450 cfm, 3-circuit...............................................each $2,151.95 Holley 4150 XP Supercharger Carburetors Holley XP Supercharger carbs are designed specifi cally for draw-through Roots-style superchargers. These 4-barrel square-bore carbs come with a power valve port that references engine vacuum below the supercharger to accurately enrich the fuel circuit when the engine needs it most. They feature a tumble-polished fi nish with a contoured venturi inlet and screw-in air bleeds, high-fl ow billet metering blocks and billet base plates with elongated (dual-pattern) mounting holes, and a precise four-corner idle system. The throttle lever is trimmed for clearance in sideways applications, and the high-capacity Dominator-style fuel bowls can be plumbed from either side to suit your setup. Price Each HLY-0-80575SA 600 cfm, small Chevy 2 x 4, 6-71 blower calibration ....$1,177.95 HLY-0-80576SA 750 cfm, 6-71 blower (big block Chevrolet/Mopar 392) or 8-71 blower (small block Chevrolet/Mopar 426) calibration .....................................................................$1,126.95 HLY-0-80577SA 950 cfm, big block Chevy 2 x 4, 8-71 or 10-71 blower calibration ..................................$1,349.95 HLY-0-80576SA Holley Marine Avenger Carburetors Boasting many of the features found on Street Avenger carbs, Marine Avengers have a Hard Core Gray anodized fi nish and PTFE- coated throttle shafts to resist corrosion. They’re calibrated for boat engine loads, and the J-style vent tubes direct fumes back into the carb for safe operation on rough water. They include glass fuel level sight windows, vacuum ports, a preset electric choke for easy startups, and four-corner idle adjustment (4-barrel carbs only). Coast Guard certifi ed by the J1223 Marine Standard for safe and effi cient marine operation. HLY-0-82500 500 cfm, 2300 2-barrel ...............................................each $649.95 HLY-0-82570 570 cfm, 4150 4-barrel, vacuum secondaries ............each $767.95 HLY-0-82670 670 cfm, 4150 4-barrel, vacuum secondaries ............each $767.95 HLY-0-82770 770 cfm, 4150 4-barrel, vacuum secondaries ............each $767.95 Trick Flow Carburetor Tool Trays These 3D-printed tool trays from Trick Flow make tune-ups easier. They sit on top of your carburetor, preventing small parts and debris from falling in during service. They hold two sets of spark plugs (arranged so you know which plugs go with which cylinder), as well as your carb and nitrous jets. TFS-MAC4150-0 Fits 4150-style carbs ..................................................each $39.99 TFS-MAC4500-0 Fits 4500-style carbs ..................................................each $39.99 Is your build ready for the long haul? Get up to three years of complete coverage on a wide range of products with the Summit Racing Equipment Protection Plan® Scan here for more details!