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Holley Model 4150 aluminum Double Pumper carburetors offer an improved fuel design and efficient construction features for huge 38 percent weight savings over standard carbs. Optimized for street and strip calibration, they provide great performance right out of the box. Holley carburetors include dual accelerator pumps, mechanical secondaries, and dual-feed inlets for constant high-volume fuel delivery. Plus, with power-valve blowout protection and a 100 percent wet-flow test, these units set a standard for performance and reliability that's hard to beat. An attractive tumble polished finish is icing on the cake. Choose the Holley Model 4150 aluminum carburetor for your particular make and model.
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Holley's Street Avenger 4-barrel carbs offer trouble-free operation in an easy-to-install package. They're calibrated to deliver the performance that you need, without the tuning headaches involved with other carbs. And all of this comes with a silver or color-anodized finish that'll look great under your hood. Street Avenger carburetors are available in different sizes and cfm ranges, with manual or electric choke, for a variety of engine applications. Features include: * Tunable metering system * Fuel filters in the primary and secondary fuel bowls * Center-hung floats * External float adjustments * Electric or manual choke * Emissions accessory ports * Adjustable secondaries * Power-valve saver * Dual-feed conversion fuel line
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Holley's Street Avenger Model 2300 carburetors offer trouble-free performance in a good-looking, easy-to-install package. They're calibrated to give you the performance that you need, without the tuning headaches involved with other carbs. And all of this comes with a silver finish that looks as good as it performs! The Street Avenger is available in many different sizes for a variety of engines. Features include: * Gen IV no-trouble power valve * Built-in fuel filter * Center-hung float * External float adjustments * Electric choke * Two vacuum ports (one times spark and one PCV)
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Holley 4150 Double Pumper carburetors are a perfect upgrade for hot street cars and race vehicles—they're an American icon when it comes to performance. From their roots as the premier carb on many factory muscle cars, to powering thousands of vehicles across the finish line, the Double Pumper is a great choice—whether you're burning up the street or the quarter-mile. The Double Pumper is designed for use on lightweight vehicles with a manual transmission—or an automatic transmission with a high stall and low rear-end gears. These carburetors are available in a gold dichromate or tumble polished shiny finish, along with these features: Dual accelerator pumps for additional fuel under initial acceleration; mechanical secondaries for great performance; dual feed fuel inlets for constant high-volume fuel delivery; and a manual choke for easy control of engine warm up. Order the model with options to suit your application.
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Holley aluminum Street HP carburetors make tire-smoking performance affordable! They utilize the best features from Holley's Race Bred models but are tamed for street and light competition use, weighing up to 40 percent less and are even easier on your wallet. Each Street HP carburetor features an aluminum contoured main body design with a tumble polished shiny finish and screw-in air bleeds for precision tuning capabilities. The metering system includes a timed spark port for a vacuum advance distributor and is calibrated for a hot street/strip engine setup for outstanding throttle response, drivability, and maximum performance. A street HP base plate is used so there is plenty of vacuum ports for power brakes, PCV, etc.
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The Holley Sniper Transmission Controller (STC) is designed for common GM and Ford electronic 4-speed automatic transmissions. Three part numbers cover a complete range of applications—all Sniper EFI systems, Sniper 2 EFI-specific (M8 CAN connection), or a full standalone unit. The Sniper specific applications connect to your Sniper EFI system via CAN bus and are programmed through the existing Sniper 3.5 in. touch screen. No programming is available with PC computer software; however, the transmission functions can be data-logged and reviewed with Sniper PC software. The Standalone version includes a dedicated 3.5 in. touch screen and is primarily intended for carbureted engine combinations. GM and Ford 4-speed electronic overdrive transmissions are simple in operation. They have four speeds, with the top gear being an overdrive; and all have a lockup torque converter that eliminates any slippage when the lockup is applied. With a stock torque converter, the lockup should only be applied under light throttle conditions or excessive wear will occur. Upshifts, downshifts, and torque converter lockup are based on vehicle speed and throttle position (or optionally the MAP sensor) and are adjustable with the 3.5 in. touch screen. P/N 551-100: Replacement controller unit only P/N 551-101: Controller unit and power harness only P/N 551-102: Standalone kit for carbureted applications (includes power harness and hand-held programmer) P/N 551-103: Controller unit and power harness for use with Sniper 2 EFI systems Holley Sniper Transmission Controller features: * Adds electronic transmission control functionality to a Sniper 2 * Controls conventional electronic 4-speed transmission applications. GM 4L60/70/80E and Ford AODE and 4R70W - transmission specific harnesses sold separately: -- 558-405 – GM 4L60/70/80E -- 558-455 – 2009+ GM 4L60E -- 558-470 – 1998+ Ford 4R70W/4R75W -- 558-471 – 1992-1997 Ford AODE/4R70W * Tuning is performed through the 3.5 in. touch screen LCD (included with the Standalone version). Future compatibility will include 5 in. display and Bluetooth module * Tune upshifts, downshifts and WOT shift points * Full programmability of torque converter lockup * Full tuning of transmission line pressure (shift firmness) * Controls and layouts interface mirror Dominator and Terminator X MAX ECUs (except no paddle shift) * A MAP sensor is needed if using MAP for line pressure, which is usually only done with forced induction applications
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Holley Aluminum Street HP carburetors deliver weight savings, lasting good looks, and affordable tire-smoking performance! Utilizing the best features of their race-bred HP and the Double Pumper, Holley offers these amazing street/strip carburetors that weigh 40 percent less—and take less out of your wallet! Street HP carburetors display an aluminum contoured main body design with a tumble-polished, shiny finish, plus screw-in air bleeds for precision tuning capabilities. The metering system includes a timed spark port for a vacuum advance distributor, calibrated for a hot street/strip engine setup with outstanding throttle response, drivability, and maximum performance. Finally, they are 100 percent wet-flow tested to ensure that they arrive ready-to-run. More Holley Aluminum Street HP carburetor features: * Contoured Venturi inlet offers balanced airflow for increased horsepower * Four-corner idle for precise idle control * Mechanical secondaries for impressive tire-turning performance * Dual accelerator pumps for additional fuel under initial acceleration * Dual feed fuel inlets for constant, high-volume fuel delivery * Available in 650, 750, 850, and 950 cfm versions * Street HP base plate is used, so there are plenty of vacuum ports for power brakes, PCV, etc. * Intended for lightweight vehicles with manual transmission or automatics with a high stall and low gearing
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Classic Holley carbs have been a staple for rodders around the world for decades. They're the perfect performance upgrade for stock to mildly modified vehicles and have that classic Holley look. Dual feed fuel inlets assure you get all the fuel you need while its vacuum secondaries and electric choke make it amazingly universal. Plus, it is gold dichromate coated for durability and classic Holley looks. Don't trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years.
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Holley electronic fuel injectors deliver the performance and quality that you expect when you see the Holley name. They're available either as replacement items to take the place of failed or damaged parts, or as upgrade and tuning items to boost fuel flow when you're cranking up the power in your engine. Many different options are available, including more than a dozen lbs./hr. advertised flow rates. Select the model best suited for your application.
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Holley offers a variety of direct replacement EFI wiring harnesses, including multi-port, sequential, and throttle body injection styles. These units are made with premium components to ensure better reliability and performance for your ride--and they're compatible with many engine swaps. Holley EFI systems wiring harnesses are sold individually or as a kit; choose the model needed for your fuel injection application.
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Replace your old carburetor with original Holley performance 4160 carburetors. Budget-minded enthusiasts, like you, will be rewarded with maximum performance from your stock or mildly-modified engine. These Holley 4160 carburetors are easier to tune than full race carburetors with temperamental secondary metering blocks and dual pumps. Plus, they're available in your choice of universal or direct-fit OE replacement versions with all emission provisions. Bolt-on installation and improved performance; no wonder when car guys think of carburetors, they think of Holley 4160 carburetors!
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The all new Aluminum Street HP's weigh up to 40% less and are even easier on your wallet. Holley is proud to introduce the all new Aluminum Street HP™. They utilize the best features from Holley's Race Bred 4150 HP™ carbs, but are tamed for street and light competition use. The Street HP features an aluminum contoured main body design taken from the race winning 4150 HP™ and has a tumble polished shiny finish and screw in air bleeds for precision tuning capabilities. The metering system includes a timed spark port for a vacuum advance distributor and is calibrated for a hot street/strip engine setup for outstanding throttle response, drivability and maximum performance. A street HP base plate is used so there are plenty of vacuum ports for power brakes, PCV, etc. The Aluminum Street HP takes all the great features from the race bred HP and the Double Pumper and combines them into the perfect street/strip carburetor.
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Holley Dominator billet fuel pumps feature a patent-pending twin-pump design. It allows you to use one pump for cruising and both pumps when you activate the nitrous switch or start building boost. By staging the second pump, you eliminate the unnecessary recirculation and heating of extra fuel, which can lead to poor performance and hot fuel issues. They can also be wired for full-time duty to get the maximum performance and are proven with an 18 V compatibility at pressures of up to 80 psi. At only 5.1 lbs., they weigh half a pound less than other 1,000 hp pumps, and yet they have twice the features. Features include: * Billet aluminum construction with anodized finish * -10 AN O-ring inlet/outlet for high flow and superior sealing * Excellent for use with carburetor or EFI applications * Compact for easy installation on frame rails or other tight spaces * Proven durability beyond 3,000 hours in gasoline or diesel fuels * Fully sealed, can be submersed if necessary
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Holley aluminum Street Avenger 4-barrel carbs give you trouble-free performance in a good-looking, easy-to-install package. The attractive aluminum finish not only gives a long lasting shine but also offers weight savings as well. They're calibrated to give you the performance you need, without the tuning headaches involved with other carbs. Features include a tunable metering system, fuel filters in the primary and secondary fuel bowls, center-hung floats, external float adjustment, choice of electric or manual choke, emissions accessory ports, adjustable secondaries, a power-valve saver, dual-feed conversion fuel line, and more. Street Avenger Carburetors also feature a four corner idle system that allows for superior idle control by utilizing primary and secondary idle adjustments, increased idle control on engines with higher performance cam shafts, and vastly improves throttle response. All of this comes with a polished finish that looks as good as it performs! They're available in many different sizes for a variety of engines.
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Holley EFI Terminator X fuel injectors feature a precision lapped disc valve, high-quality brass windings, and high-temperature O-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in other injectors. With a wide variety of fuel flow offerings from 42 lb./hr. to 220 lb./hr. you are sure to find an injector that matches your non-emissions-controlled application. Holley EFI Terminator X fuel injectors can also be used with any ECU that utilize high-impedance fuel injector drivers. Features: * PICO/EV6-style performance injectors are sold individually or in a set of 8 * High impedance for use with saturated drivers * Rated injector flow 220 lb./hr. at 43 psi of base fuel pressure * USCAR injector connector * 40mm O-ring to O-ring length * Compatible with many OEM LS intake manifolds * Easy to install in any Holley EFI Hi-Ram intake, using Holley fuel rail adapter kit
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Push your racing performance to the next level with Holley Track Warrior carburetors. The aluminum contoured main body design weighs less while adding horsepower and torque. These carbs have screw-in air bleeds for precision tuning capabilities, billet metering blocks, a billet base plate, adjustable secondary linkage, and knurled (hand-adjustable) curb idle screws. Features of Holley Track Warrior carbs include: * Aluminum construction for weight savings and long-lasting good looks * Color options include purple or black * Optimized race calibrations for outstanding throttle response * Contoured Venturi inlet offers balanced airflow for increased horsepower * Four-corner idle for precise idle control * Mechanical secondaries for remarkable tire-turning performance * Billet metering blocks for improved durability (compared to cast blocks) * True gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictor, and idle feed restrictors.) * Available in 650, 750, and 850 cfm versions * For lightweight vehicles with manual transmissions or automatics with a high stall and low gearing * 100 percent wet-flow tested by Holley technicians to ensure on-arrival performance
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With performance engines pushing redlines up higher and higher, alternators are being forced beyond their design. Holley's premium alternators can tolerate 30 percent higher rpms than conventional models. The attention to cosmetic detail on these units is above and beyond what you would expect, too. The entire outside housing has been sculpted for a smooth silhouette that hides the ugly details we typically think of as alternators. If you drag race, autocross, or just hot rod your ride, be assured that Holley premium alternators won't fly apart on you. Features: * Available in natural, black, and polished finishes * Works with all Holley accessory brackets, as well as 4th generation F-body, most 1998 thru 2004 GM trucks, and many other applications * 150 amp output * Smaller and lighter than Holley high-amp alternators * Housings are smoothed to make polishing clean (no buffer cut marks trying to get in tight corners) * Rear cover is aluminum instead of typical black plastic * Ideal when size and clearance matter * Black and polished pulley covers are available on models that don't already include them * Designed for use with Holley alternator weatherproof pigtails (not included)
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Holley Sniper EFI fuel tank systems will complete your EFI swap. They fit and look like an OE tank, but each Sniper tank is a direct-fit for your application, which means no modifications for you to perform. The tanks are powdercoated galvanized steel for corrosion resistance and lasting good looks. Your Holley Sniper EFI fuel tank kit will include the tank, fuel pump, fuel level sender, and internal baffling. Some kits may also include filler neck and tank straps. Sniper EFI tanks feature: * Fuel pump (255 lph) with hanger assembly gives you the fuel you need with in-tank quietness * Sender has 1/4 in. NPT supply and return line ports for easy connection and a barbed vent fitting * Fuel level sender has the correct ohm range for your factory gauges * Fuel pump and sender are recessed in the tank to provide an easy installation * EFI-style tank baffling includes a large 4.3L internal fuel tray to prevent fuel pump starvation
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Holley LS split design carbureted intake manifolds are single-plane racing units designed with performance in mind. They feature a race-bred, 2-piece split feature that was previously only found on the most expensive race intakes. The manifolds will fit GM LS Gen III engines with cathedral port heads—and are intended for 4150-style square bore flanged carburetors or throttle body EFI. The LS Race single-plane intake manifold was designed for high performance/racing engine applications, 5.3 to 6.2+ liter displacement—and maximum engine speeds of 6,000 to 7,000 rpm, depending on the engine combination. This single-plane design provides optimal performance across the rpm spectrum, while providing maximum performance up to 7,000 rpm. Features include: * Maximum performance race design with hood clearance consideration * Lighter than other split race intakes * Split feature allows disassembly of the intake for direct access to internal plenum and port surfaces, making custom porting and matching a snap * Shoulder bolt locators and O-ring seal make reassembly simple and precise * 33 to 50 percent the price of other split race intakes * Vacuum port options: Two 1/8 in., one 1/4 in., and one 3/8 in. NPT ports at the carb flange
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Holley improved the carburetor that powered thousands of racers into the winner's circle—Holley Ultra XP 2-barrel carburetors. They used the original 0-4412 and added the proven design elements of their Ultra Series delivering the XPs with more tunability, more durability, more weight savings, and more features! They are approved for use in NASCAR Mid-West/West Coast Late Model Divisions and utilize the same venturii and throttle bore dimensions of the classic 2-barrel carburetor. Holley Ultra XP carburetors are available in different finishes, and will outperform any production 2-barrel available. Features include: * All-aluminum construction for nearly 50 percent weight savings over zinc versions * Tumble polished aluminum with Black billet aluminum metering block and base plate * No choke tower for unobstructed airflow * Air bleeds moved outward to allow a smoother transition of airflow * Air cleaner flange centered over venturii for improved airflow and performance, 5/16 in.-18 bent air cleaner stud included * Down-leg boosters for improved fuel signal * Contoured hex head squirter screw for streamlined airflow * Internal pump passage on metering block equipped with tunable bleed off * Same original 1 3/8 in. venturii and 1 11/16 in. throttle bore size and throttle plate/shaft size * Fuel bowl provides 20 percent more fuel capacity while controlling slosh with internal baffling * Clear sight windows on both sides of bowl for easy and safe fuel level adjustments * Fuel trough designed into floor of bowl to route fuel flow directly to the jets and assists in keeping jets covered by fuel * Built-in drain plug provides easy access to empty contents of bowl * -8 (O-ring) inlet threads offer a large variety of plumbing options (come with an extended -8 O-ring to -8AN male adapter and -8 plug). Can be plumbed from either side * Throttle shaft rides in oil impregnated sintered bronze bushings for smooth throttle actuation * Throttle shaft capped to prevent entry of debris and contaminates * 30cc pump with metal lever. Anti-siphon valve in main body to reduce pump pull-over * Dedicated race-only throttle lever with all unnecessary street attachment points and tangs removed * Knurled (hand adjustable) curb idle screw allows for easy idle adjustment without the use of tools * Set screw for wide open throttle stop adjustment * Wedge float provides fuel control while cornering * 100 percent wet-flow tested by Holley technicians to assure it arrives ready to run!
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Holley Sniper fuel injectors feature a precision lapped disc valve, high-quality brass windings, and high-temperature O-rings to provide excellent linearity with no discernible "bounce" at low-pulse widths. Features include: * PICO/EV6-style performance injectors * High-impedance (12.2 ohms) for use with saturated drivers * Rated injector flow: 36 lbs./hr. at 43 psi * Supports up to 575 hp * Tri-cone spray pattern
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Holley 2300 model carburetors are perfect for racing classes where 2-barrel carburetors are required, or for hot rodders looking for something different. These units have many performance features—including a manual choke, center hung float bowl, universal throttle lever, all-metal parts, replaceable jets, a power valve, and high-flow venturi. Holley 2300 carburetors are available in universal and vehicle-specific applications.
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Holley Sniper EFI fabricated intake manifolds are budget-friendly and performance laden! These durable Holley hi-ram manifolds feature 3mm (1/8 in.) thick T-6061 sheet aluminum construction with 100 percent TIG welds. The EFI versions have 92mm or 102mm throttle body openings, as well as runners with tapered tops to increase velocity and evenly distribute airflow. They also include 3/8 in. fuel rail kits and, of course, are branded with the Holley Sniper EFI logo. Budget and performance go hand-in-hand when it comes from Holley in the form of their Sniper EFI fabricated intakes. Order the model and options recommended for your make/engine application.
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Holley EFI Smart Coils are a bolt-in ignition upgrade for your late model HEMI or Coyote engine. Here's the difference over a stock coil: they produce more spark energy while consuming less power without sacrificing voltage output. This means you get hotter spark at the plug to burn the maximum amount of fuel in each cylinder while using less power from your electrical system. Smart Coils are available individually or in sets of 8. * For Coyote or Hemi combinations currently using Holley EFI or Terminator X, use Smart Coil Ignition Harnesses 558-312 and Coil Extension Harnesses 558-326 for a plug-and-play solution. * For new Holley EFI installations on Coyote engines, use with Holley EFI Coyote TI-VCT Main Harness for Smart Coils 558-122 and Smart Coil Ignition Harness 558-312 for a plug-and-play solution. Features: * Direct bolt-on to factory valve covers * Same wiring pinout as other IGN-1A coils for easy plug-in upgrades (Will not work with factory wiring) * More spark energy than any other smart coil on the market for maximum fuel burn during combustion sequence * Low current draw means less demand on the electrical and charging system * Built-in ignitor for compatibility with Holley EFI and many other aftermarket ECUs * Maximum operating voltage of 18 V—for compatibility with both 12 V and 16 V electrical systems found in many performance/race applications
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