Availability
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.
( 36 )
$699.95
—
$749.95
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
( 198 )
$671.95
—
$699.95
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.
( 133 )
$699.95
—
$799.95
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.
( 74 )
$749.95
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
( 37 )
$749.95
—
$799.95
Holley Marine carburetors are designed to meet Coast Guard specifications. Each carburetor's fuel metering system is calibrated to compensate for unique engine loads found on boats and feature J-style vent tubes to direct fuel/fumes back into the carburetor for safe operation while on rough waters. Choose from a large selection with different options, such as single or dual feed fuel inlets, vacuum or mechanical secondaries, and universal or engine specific calibration. Features: * Gold Dichromate finish for corrosion resistance and a classic Holley look * Factory preset electric choke for easy startups * Power valve blow-out protection * 100 percent wet-flow tested by Holley technicians to assure it arrives ready to run
( 1 )
$679.95
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.
( 36 )
$699.95
—
$719.95
On Sale
Holley LS Modular Lo-Ram EFI intake manifolds are designed for GM LS Gen III and IV engines equipped with GM LS1/LS2/LS6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and a 105 mm throttle or similar models. The base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood in the front-feed configuration. The modular design allows the use of front-feed plenum entry, while intake design facilitates custom inlet duct and throttle body placement. Additional features and specs: * Cast aluminum construction with satin silver finish * Modular design allows the use of front-feed plenum entry * Clears 4th Gen Camaro and C5 Corvette cowls and hoods without modification * With forced-induction and the short runner length the engine rpm at which peak power occurs is more likely to be coupled to the supercharger or turbocharger being used * High-volume fuel rails and mounting hardware included with 3/4 in.-16 O-ring ports (8 AN) * Fuel rail kits include two sets of brackets; a set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors
( 8 )
$649.95
—
$749.95
Holley 340 lph fuel pump modules feature billet pump flanges that connect to either single or dual 340 lph pumps. They are compatible with gasoline and E85, and come pre-installed with new level and tank pressure sensors, as well as provisions to connect to the factory EVAP system for EPA compliance. Each Holley module also comes with all the parts and pieces necessary to complete the installation, including a 3 in. x 11 in. Hydramat filter that leverages surface tension to draw from nearly any area that has contact with fuel, eliminating starvation under hard acceleration or cornering. Holley 340 lph modules are all return style and all connectors used are DTM style. Choose the single or twin pump module for your car. Additional features and contents: * Anodized and laser-etched billet 6061 T-6 flange with 6AN ORB ports for feed, return, and vent * New gasket to complete installation * Wiring pigtails for the level sender and fuel pump * Fittings to connect to the factory 3/8 in. quick-connect feed and return lines * Flanges have been designed to be compatible with feed and return line sizes up to -8AN * Step-down butt connectors included to wire level sensor * Can be connected to factory EVAP system (with use of 12-874 and 935056ERL--sold separately)
Not Yet Reviewed
$516.95
—
$649.95
Holley 450 lph fuel pump modules feature billet pump flanges that connect to either single or dual 450 lph pumps. They are compatible with gasoline and E85, and come pre-installed with new level and tank pressure sensors, as well as provisions to connect to the factory EVAP system for EPA compliance. Each Holley module also comes with all the parts and pieces necessary to complete the installation, including a 3 in. x 11 in. Hydramat filter that leverages surface tension to draw from nearly any area that has contact with fuel, eliminating starvation under hard acceleration or cornering. Holley 450 lph modules are all return style and all connectors used are DTM style. Choose the single or twin pump module for your car. Additional features and contents: * Anodized and laser-etched billet 6061 T-6 flange with 6AN ORB ports for feed, return, and vent * New gasket to complete installation * Wiring pigtails for the level sender and fuel pump * Fittings to connect to the factory 3/8 in. quick-connect feed and return lines * Flanges have been designed to be compatible with feed and return line sizes up to -8AN * Step-down butt connectors included to wire level sensor * Can be connected to factory EVAP system (with use of 12-874 and 935056ERL--sold separately)
( 2 )
$549.95
—
$723.95
Choose EFI main power wiring harnesses from Holley to meet your needs. Several choices are offered—TBI, LS applications, multi-point, and un-terminated harnesses—to feed and carry your engine's electrical supply. Get wired for electronic fuel injection with Holley EFI systems main wiring harnesses.
Not Yet Reviewed
$549.95
—
$574.95
Holley G-body fuel system kits remove the guesswork when updating your G-body's system. Designed as a direct replacement for your factory fuel system, these kits contain everything required to go from fuel tank to engine bay. They are engineered for use with factory fuel line routing and mounting locations, creating a clean, OEM-like installation. Prepare your G-body with a bullet-proof fuel system for any EFI conversion with Holley fuel system kits. Features: * Pump gas and E85 compatible fuel system plumbing kit * 40 ft. of 6 AN nylon braided hose, enough to go from the tank to the fuel rails for both feed and return * Utilizes as many of the original sheet metal and chassis fuel system routing provisions with minimal to no drilling required * Electric fuel pump harness and relay wiring kit ensures the fuel pump receives the proper amperage, for improved reliability and consistent performance * Pre-calibrated fuel level sending unit works with factory fuel gauge for a simplistic installation—no guesswork about ohm range * Highly detailed installation instructions to guide you, step by step, along the installation process Kits include: * 350 lph EFI fuel pump module * Billet fuel filter * Fuel pressure regulator * Fuel pressure gauge * Nylon braided hose * AN fittings * Hardware * EFI-rated clamps * Fuel level sender * Fuel pump harness and relay wiring kit
( 2 )
$749.95
On Sale
Holley is the new standard in EFI! The Holley EFI LT1 Gen V Lo-Ram intake manifolds are designed for GM Gen V LT engines equipped with GM LT cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine application. The top-feed plenum base intake manifold is designed with a reduced overall height to fit under a stock or mildly modified hood. The Lo-Ram provides a low-profile modular intake manifold that's suitable for use with plenum mounted air-to-water intercoolers for boosted applications. Various Hi-Ram plenum top options are available to complement the top-feed base intake manifold kits and fabrication flanges are offered to aid fabrication of plenum tops for custom installations. Features: * Designed for GM Gen V engines equipped with GM LT type cylinder heads * As-cast aluminum (satin) and black powdercoat finishes available * 105mm diameter throttle body opening accepts OEM 4-bolt LS/LT DBW or Holley LS/LT throttle bodies * Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7,000-8,000 rpm, depending on the application * Low-height top-feed plenum profile to fit under a stock or mildly modified hood * Modular design and top entry plenum flange allows the use of popular Holley Hi-Ram plenum tops, as well as facilitating custom fabricated plenum tops—base manifold, plenum tops, and fabrication flanges available as separate kits * Designed for the accommodation of plenum mounted air-to-water intercoolers for boosted applications * Available models for OE direct fuel injection only and with port fuel injection provisions—for the port fuel injection option, the high-volume fuel rail kit includes hardware and brackets to accommodate long (usually standard length) fuel injectors or short * Kits with port injection provide high volume fuel rails with 3/4 in.-16 O-ring ports (8 AN) * Mounting hardware is included * 3.18 in. taller than a factory LT1 manifold
( 1 )
$1,049.95
$549.95
—
$749.95
On Sale
Holley is the new standard in EFI! The Holley EFI LT1 Gen V Ultra Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads. They will work with OE or aftermarket cylinder heads. The Ultra Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications. The front-feed base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood. The Ultra Lo-Ram provides a very low-profile modular intake manifold along with various fabrication flanges to aid the fabrication of special throttle body adapters or inlet ducts for custom installations. Whether you're engine swapping your classic car or need to manage added horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever! Features: * Designed for GM Gen V engines equipped with GM LT type cylinder heads * As-cast aluminum (satin) and black powdercoat finishes available * 105mm diameter throttle body opening accepts OEM 4-bolt LS/LT DBW or Holley LS/LT throttle bodies * Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7,000-8,000 rpm depending on the application * Only 0.97 in. taller than a factory LT1 manifold provides maximum clearance under a stock or mildly modified hood * Modular design and front entry plenum flange allows design and fabrication of special throttle body adapters or inlet ducts for custom installations—base manifold, plenum top, throttle body adapter available as separate kits * Clears C7 Corvette cowls and hoods without modification * Available for OE direct fuel injection only or with added port fuel injection provisions * Kits with port injection provide high volume fuel rails with 3/4-16 O-ring ports (8 AN). Mounting hardware is included * Ultra Lo-Ram kits with a burst panel flange are available, Ultra Lo-Ram billet burst panel duct is offered separately (PN: 300-608 clear anodized, PN: 300-608BK black anodized)
Not Yet Reviewed
$1,049.95
$558.95
—
$649.95
Modal Header