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Holley Terminator X MAX engine control modules are standalone units intended for use as service components for your Terminator X EFI installation. Each X MAX ECU features real-time fuel learn, high-impedance injector drivers, an integrated 1 Bar MAP sensor, electronic transmission control, drive-by-wire throttle body control, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Order your Holley EFI Terminator X MAX Service ECU today. Features: * Compatible with all Terminator X harnesses * OEM (Original Equipment Manufacturer) injectors supported with part numbers provided in the handheld wizard or software * Bosch LSU 4.9 wideband control (will not work with LSU 4.2 oxygen sensors) * Eight built-in multi-color diagnostic LEDs allow you to quickly identify a variety of potential system issues, such as: -- A failed TPS (Throttle Position Sensor) Autoset -- Faulty crank or cam sensors -- Potential oxygen sensor issues * Built-in 1 Bar MAP (Manifold Air Pressure) sensor -- On boosted applications, you can disable the internal MAP sensor and utilize an external MAP sensor * Four inputs—12 V, Ground, 5 V, and Frequency for things, such as: -- Additional pressure sensors -- Activation triggers for nitrous activation -- A trans-brake (fuel and oil pressure inputs are pre-terminated) * Four outputs--Ground, PWM, and accessories, such as: -- Fans, boost control, nitrous control, IAC kit, and more * GM LS and LT, Ford Coyote, and Mopar Gen V drive-by wire throttle body control * GM 4L60 and 4L80, and Ford 4R70W transmission control * Boost Control: -- Boost vs. Time/Gear/RPM/Speed, and boost safeties * Nitrous Control: -- Single channel of wet or dry -- Progressive or non-progressive -- Rich/lean safeties -- Target closed loop AFR * Advanced tables: -- Four 1D tables -- One 1D per gear table -- Four 2D tables -- One 2D per gear table * Free EFI tuning software for complete control of your Terminator X powerplant
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$1,199.95
Holley Terminator X engine control modules are standalone units intended for use as service components for your Terminator X EFI installation. Each ECU features real-time fuel learn, high-impedance injector drivers, an integrated 1 Bar MAP sensor, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, or progressive nitrous control. Order your Holley EFI Terminator X Service ECU today. Features: * Compatible with Terminator X harnesses * OEM (Original Equipment Manufacturer) injectors supported with part numbers provided in the handheld wizard or software * Bosch LSU 4.9 wideband control (will not work with LSU 4.2 oxygen sensors) * Eight built-in multi-color diagnostic LEDs allow you to quickly identify a variety of potential system issues, such as: -- A failed TPS (Throttle Position Sensor) Autoset -- Faulty crank or cam sensors -- Potential oxygen sensor issues * Built-in 1 Bar MAP (Manifold Air Pressure) sensor -- On boosted applications, you can disable the internal MAP sensor and utilize an external MAP sensor * Four inputs—12 V, Ground, 5 V, and Frequency for things, such as: -- Additional pressure sensors -- Activation triggers for nitrous activation -- A trans-brake (Fuel and Oil Pressure Inputs are pre-terminated) * Four outputs--Ground, PWM, and accessories such as: -- Fans, boost control, nitrous control, IAC kit, and more * Boost control: -- Boost vs. Time/Gear/RPM/Speed, and boost safeties * Nitrous control: -- Single channel of wet or dry -- Progressive or non-progressive -- Rich/lean safeties -- Target closed loop AFR * Advanced tables: -- Four 1D tables -- One 1D per gear table -- Four 2D tables -- One 2D per gear table * Free EFI tuning software for complete control of your Terminator X powerplant
Not Yet Reviewed
$849.95
On Sale
Holley Mid-Mount complete accessory systems achieve what no other accessory bracket systems do--eliminate the brackets! This pulls in all the accessories tighter than other accessory drives by bolting directly to other components for a clean, integrated form. They offer superb engine visibility to show off your horsepower, not your accessories. Holley Mid-Mount complete accessory systems are available in several versions and finishes to match your application. Order the kit designed to fit your engine.
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$4,599.95
$879.95
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$4,138.95
On Sale
Holley GM LT retrofit oil pans provide maximum clearance to the chassis and ground; plus, they provide OEM fitment for durability and proper sealing. GM's Gen V LT direct-injected engines are finding their way into a large variety of vehicles. They make great power, they're durable, and reliable, but unfortunately, the factory oil pans don't always fit--or they hang too low for today's hot rods. Holley LT retrofit oil pans are designed to help! Features include: * Cast and machined aluminum * Allow for up to 4.00 in. crankshaft stroke * Can be used anywhere a GM F-body oil pan can be used * Provide OEM fitment--oil filter mounting, OEM engine NVH suppression, OEM flange sealing, proper structural rigidity, and OEM bellhousing attachments * Traditional high-quality cast aluminum appearance with clean exterior styling * Provide maximum clearance for vehicles where the steering linkage is behind the engine crossmember * Oil cooler port provision * 1/2 in. NPT port--ideal for turbo oil return or PCV oil return * Drag race version includes special hinged door baffles and pickup
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$464.95
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$599.95
$417.95
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$538.95
On Sale
Holley Terminator X MAX engine management systems let you take control of your domestic V8 engine. They give you complete charge of your engine and self-learning fuel strategies, along with the proven, race-winning technology of Holley EFI—all at a budget-friendly price! Every MPFI Terminator X MAX features real-time fuel learn, high-impedance injector drivers, an integrated one-bar MAP sensor—and four programmable inputs and outputs, ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Also, Holley offers the X MAX systems with either or both drive-by-wire (DBW) throttle body control or transmission control. All kits come fully loaded with base maps for common domestic V8 engine combinations to get you out of the garage and onto the road or track fast. Order the model recommended for your vehicle application. Features include: * Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users * Real-time fuel map learn—takes the guesswork out of tuning your base fuel table * High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors (will not control low-impedance injectors) * Bosch LSU 4.9 wideband relays AFR information to the ECU for accurate reading and precise tuning control * On-board one-bar MAP sensor is perfect for N/A or nitrous engine combos * MAP sensor vacuum hose adapters * 4 inputs: 12 V, ground, 5 V, and frequency * 4 outputs: Ground, PWM, and for accessories * Boost control: boost vs. time, boost vs. gear, boost vs. rpm, boost vs. speed, and boost safeties * Nitrous control: single channel of wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR; adjustable through touch screen * Advanced tables can be used for any custom tables * On-board diagnostic LEDs allow you to identify any critical engine issues at a glance * The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDs must face up! * Plug-and-play compatible with more Holley EFI accessories * Available with or without a 3.5 in. touch screen LCD hand-held with easy-to-use calibration wizard; allows you to quickly build a base tune for most V8 engines, as well as tuning and gauge display functions
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$3,049.95
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$3,299.95
Ready for standalone engine management at a budget price? Take control of your GM Gen V LT1, L83, or L86 engine with a Holley Terminator X Max GM Gen V LT direct injection kit! They're available to fit early non-WT drive-by-wire engines, as well as late WT drive-by-wire engines. Terminator X and X Max features and benefits: * Plug-and-play GM Gen V LT engine control, including GDI and VVT support * Ideal for swapping late model GM Gen V LT engines into vintage vehicles * 3.5 in. hand-held gets your engine running in no time with a step-by-step calibration wizard * GM LS and LT drive-by wire throttle body control (Terminator X Max only) * GM 4L60 and 4L80 transmission control (Terminator X Max only) * Included engine harness plugs directly into the factory LT DI injector sub harness * OEM Injectors supported, with part numbers provided in the handheld wizard or software * Genuine Bosch LSU 4.9 wideband control (will not work with LSU 4.2 oxygen sensors) * On-Board Diagnostic LEDS for: ECU Power – Engine Run – Wideband Status – TPS Calibration – Crank Signal – Cam Signal – VVT Status – Pump Control – and DI Injectors. This allows you to identify any critical engine issues at a glance * Built-in 1 bar MAP sensor, vacuum hose adapters included (1/8th, 1/4 and 3/16ths); or for Boosted applications, you can disable the internal MAP sensor, and utilize an external LT MAP sensor. The harness comes with the connector terminated, making the installation a snap * 4 inputs: 12 V, Ground, 5 V, and Frequency—for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure inputs are pre-terminated) * 4 Outputs: -- Ground -- PWM – for accessories such as fans, boost control, nitrous control, IAC kit, and more -- Boost Control – Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties -- Nitrous Control – Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR * Integrated data logging to the 3.5 in. hand-held SD card * Free EFI tuning software for complete control of your Terminator X powerplant Terminator X Max ECU Connections: * J1A - Main Harness Connector: This connector is primarily an "Input" connector. It contains all the sensor inputs and wide band oxygen sensor control. * J1B - Main Harness Connector: The second connector is the "J1B" connector (26 pin). This connector is the "output" connector. It has eight injector outputs and outputs for other devices. * MAP Sensor: Used on N/A applications, connect directly to full manifold vacuum port on the intake manifold. * Main Power: Connects to the Main Power Harness; these two wires MUST be wired directly to the battery terminals. * J3: Connection point for the drive-by-wire harness. * J4: Connection point for the transmission harness.
Not Yet Reviewed
$3,049.95
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$3,549.95
On Sale
Holley EFI LT1 Gen V Hi-Ram intake manifolds provide the ultimate performance with GM direct-injected Gen V 6.2L LT1 engines. The modular design allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper and cross-sectional area to perform in a wide variety of engine configurations. When you look for the pinnacle of performance, price, and quality, look to Holley Hi-Ram intake manifolds for your LT1 application. Features include: * Available with injector bosses on the intake runners that provide increased performance potential by using additional injectors and the factory direct injection * Removable top * Large plenum volume * Intakes with injector ports include fuel rails with dual mounting * Fuel rails are anodized, laser-etched, and machined for -8 AN O-ring fittings at each end * Rear of plenum machined for MAP sensor and three vacuum ports * Head flange has clearance for fuel supply to a high-pressure pump * Increased runner wall thickness for custom porting at the plenum to runner entry on each runner * O-ring seals at cylinder heads and plenum top * Easy assembly with top-mounted screws on plenum top (except front two screws) * Several top options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or blank flange for custom throttle bodies * 3,500 to 8,000-plus rpm power band
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$949.95
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$1,299.95
$853.95
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$1,168.95
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
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$1,049.95
$493.95
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$849.95
On Sale
Holley GM Gen-V LT engine swap oil pans are designed for LT engine swap installations in classic car and truck chassis' requiring more oil pan to chassis clearance around the front half of the oil pan. GM's new Gen V LT direct injected engines are starting to find their way into a large variety of vehicles. They make great power and are very durable and reliable. Unfortunately, the factory oil pans don't always fit or they hang too low for today's hot rods. The solution? Holley's GM Gen-V LT swap engine oil pans! They will provide maximum clearance to the chassis and ground, plus, they provide an OE-style fitment for durability and proper sealing. Features: * These oil pans are perfect for: 1967-1992 Camaro/Firebird, 1968-1974 Nova/Apollo/Ventura/Omega, 1978-1987 G-body, 1964-1972 A-body, and 1973-1987 Chevy/GMC Full Size Trucks * Designed to provide more oil pan to chassis clearance around front half of the oil pan * Allows for up to 4.00 in. crankshaft stroke * Can be used anywhere a GM F-Body oil pan can be used * Provides OE-style fitment—OE oil filter mounting, OE oil cooler port provision, OE engine NVH suppression, OE flange gasket and sealing, proper structural rigidity, and OE bell-housing attachments * Traditional high-quality cast aluminum appearance with clean exterior styling * Provides maximum clearance for vehicles where the steering linkage is behind the engine cross-member * Oil cooler port provision * Cast and machined aluminum * 1/2 in. NPT port—ideal for Turbo oil return or PCV oil return * Optional hinge door baffle (available separately) * Complete kit includes: windage tray, sump baffle, OE-style pick-up tube, sump port plug, oil filter stud, billet oil passage cover, etc.
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$516.95
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$549.95
$464.95
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$493.95
Why settle for a factory ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies, and the proven, race-winning technology of Holley EFI at a budget-friendly price? With Holley's Terminator X GM GDI controllers, you can take control of your GM Gen V LT4, LT1, L83, or L86 engine. They feature real-time fuel learn, an integrated 1bar MAP sensor, and four programmable inputs and outputs that are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Whether you're building an LT-swapped budget beater or a boosted racecar, Holley EFI Terminator X GM GDI controllers have the features and technology you need at a price that won't break the bank. Features and notes: * Terminator X comes fully loaded with base maps for common LT engine combinations * 3.5 in. touch screen LCD handheld: -- Easy-to-use calibration wizard -- Tuning and gauge display functions * External gasoline direct injection controller, enables control and tune of factory injectors, GM Gen V LT Variable Valve Timing (VVT), and factory fuel pumps * Holley EFI industry-leading, easy-to-use software suite that allows full laptop access for advanced users * Plug-and-play GM Gen V LT engine GDI and VVT controller--ONLY compatible with Terminator X or X MAX ECUs. Note: To identify if your engine is an early or late application, refer to your fuel pressure sensor, located behind the intake manifold. Early sensors have a 4-pin connector, whereas late sensors have a 3-pin connector. This will help you pick which kit you require for your engine.
Not Yet Reviewed
$999.95
On Sale
Holley's EFI crank trigger kits provide accurate crank speed and position signals to Holley EFI systems in the most demanding, high-horsepower, racing applications. The crank position is measured every 10 degrees instead of every 45 degrees, like standard 4-magnet crank trigger systems. Holley's EFI crank trigger kits feature 1/4 in. thick, billet steel, 36-1 or 60-2 tooth-crank trigger wheels with black zinc oxide finish for superior corrosion resistance and striking good looks Other notable features include: * Crank wheels center off of balancer hubs, eliminating the need for centering rings * All billet, 6061-T6 aluminum sensor mounting brackets with "bright-dipped" black anodized finish and laser-etched Holley EFI logo * Custom 3-wire, ferrous-target, Hall-effect sensors with M12 x 1.0mm threads for finer gap adjustment * Grade 8 and mil-spec mounting hardware
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$649.95
$583.95
On Sale
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
$574.95
$516.95
Holley LT4 accessory drive oil separator tanks are the correct replacements for Holley accessory drive kits. These black finished aluminum parts are identical to the originals offering the perfect fit and expected performance. For a hassle-free install and operation, service your accessory drive with genuine Holley LT4 oil separator tanks.
Not Yet Reviewed
$111.95
On Sale
Holley Gen V LT accessory drive installation kits allow the use of high-mount LS accessory drive systems on LT engines. These kits allow you to choose the source for supplemental accessories and components that are often already on a donor engine or host vehicle. This drive system has incorporated an upgrade to the conventional looking and central located (Camaro style) LS water pump that works in conjunction with an OEM LT1 truck harmonic balancer. Holley Gen V LT accessory drive installation kits include spacers for the LS style brackets, water pump spacers, solenoid reclocking retainer ring, re-routed front harness, and all hardware. Other features: * No engine modification required * Hides temperature sensor and harness connector from site * Cost effective and proven solution * Utilizes conventional single sided belt * Easy way to add power steering with your Gen V LT swap
Not Yet Reviewed
$289.95
$260.95
On Sale
Holley EFI Gen V LT single plane intake manifolds are designed with an optimized runner layout and a constant cross-sectional area, resulting in a broad torque curve with the best vehicle performance from 2,500 to 7,000 rpm. The single-plane design provides the lowest throttle body flange height possible, while providing maximum performance all the way to 7,000 rpm. The cast aluminum construction makes these manifolds great choices for centrifugal blowers, turbochargers, or NOS applications. They are sold for pre-emissions control applications only and will not accept stock components and hardware. Available in two finishes, choose the one you prefer. Features: * Optimized runner layout and constant cross sectional area--broad torque curve * Minimum carburetor flange height--fit in vehicles with minimum hood modifications * Provides classic engine bay look of carburetor-style intake * Cast aluminum construction--great manifold for centrifugal blower, turbocharged, or NOS mild power adder applications * Efficient casting design--lightweight, consistent wall thicknesses, improved casting quality * Weight: 11.5 lbs. * Height: (front) 5.417 in. to the lifter valley cover flange at the engine block front flange and bellhousing flange * Port size: 2.33 in. height x 1.27 in. wide * FKM O-ring intake to cylinder head gaskets Notes: These intake manifolds are meant for GM Gen V LT engines equipped with OE-type GM Gen V LT cylinder heads where the intake flange bolt pattern and intake port opening locations match the OE Gen V LT port configuration. They are intended for OE direct injection and a 4150 EFI throttle body. Holley accessories available to allow the installation of a GM LS 92mm or 105mm drive-by-wire throttle body. Holley EFI Gen V LT 300-940 manifold is meant for street and performance engine applications with 5.3 to 6.2+ liters of displacement and maximum engine speeds of 6,000 to 7,000 rpm (depending on the engine combination). 4150/4160 square bore flange.
Not Yet Reviewed
$449.95
$403.95
Holley thermostat housing assemblies include replacement components for a variety of accessory drive system styles, including mid-mount. These kits feature genuine Holley parts, providing the correct fit to restore optimum operation. Keep your engine running cool with an assist from the Holley thermostat housing assemblies best suited for your application.
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$28.68
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$219.95
On Sale
Terminator X standalone engine management systems offer performance at a budget price with plug-and-play operation. For use with these ECUs, Holley EFI Terminator X LT main engine harnesses are available to make connecting and servicing your system easier. Choose the one designed for your application.
Not Yet Reviewed
$574.95
$516.95
On Sale
Holley LS engine alternator and power steering brackets are designed to help you get your alternator and power steering pump mounted in the proper location. They include the necessary hardware to mount the assembly in place. An application-specific installation kit may be required, and must be purchased separately if needed.
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$292.95
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$299.95
$194.95
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$263.65
On Sale
The design of Holley Hi-Ram GM LT1 lower manifolds allows for easy disassembly to do custom porting, use multiple tops, or create custom induction systems. Each runner has a large radius where it meets the plenum, as well as an optimized taper and cross-sectional area to perform in a wide variety of engine configurations. The bases are available with or without port EFI provisions. Are you looking for the ultimate performance? Begin with Holley LT Modular Hi-Ram lower intake manifolds. Features include: * Modular design with removable top * Overall height: 13.34 in. with EFI top (95mm or 105mm) * Overall height: 12.10 in. with carb-style top (2 x 4150 or 2 x 4500) * Height at plenum flange: 9.44 in. * Port size: 2.06 in. high x 1.53 in. wide * Runner length: approximately 6.5 in. * Large plenum volume of 549 cu. in. with 1 x 95mm or 1 x 105mm throttle body top * Available with or without injector ports in the runners * Intakes with injector ports include fuel rails with dual mounting (1.48 in. or 2.56 in.) O-ring to O-ring injector length * Anodized fuel rails, laser-etched, and machined for -8 AN O-ring fittings * Rear of plenum machined for MAP and three vacuum ports * Head flange has clearance for fuel supply to a high-pressure pump * Increased runner wall thickness for custom porting at the plenum-to-runner entry on each runner * O-ring seals at cylinder heads and plenum top * Top-mounted screws on plenum top (all except front two screws) * Available top options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or blank flange for custom throttle bodies (all sold separately) * 3,500-8,000+ rpm power band
Not Yet Reviewed
$749.95
$673.95
On Sale
Fit your GM Gen V LT1 Holley Hi-Ram manifold with one of their LT Hi-Ram intake plenum tops. Holley offers several versions of these cast aluminum units for your dual 4150 or 4500 carburetors. They're available with a black or natural finish. Complete your tunnel ram intake with Holley LT Modular Hi-Ram intake manifold tops; order the model recommended for your year/make and engine application. Features include: * Modular design with removable top * Overall height: 12.10 in. with carb-style top * Height at plenum flange: 9.44 in. * O-ring seals on plenum top * Easy assembly with top-mounted screws on plenum top (all except front two screws)
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$276.95
$249.25
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$292.95
On Sale
Holley cooling manifolds are designed for use with their mid-mount accessary drive systems. These aluminum manifolds are offered with a black, polished, raw, or satin finish. Keeping your vehicle cool is the key to maximum performance. Holley cooling manifolds will help dissipate some of that extra heat.
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$376.25
$206.95
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$649.95
Holley intake manifold studs are made of high-quality steel construction for long-lasting durability and performance. They are designed to be used with Holly Hi-Ram style intake systems to give them peak performance. If you have a new Hi-Ram system you're throwing in your ride, make sure you don't forget to grab a set of these Holley intake manifold studs.
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$88.39
On Sale
Holley Gen V LT Road-Race oil pan baffles have a hinged door baffle design. They help you achieve stable oil lubrication in any situation, such as curving, acceleration, and deceleration. And, they will secure the improvement of engine performance in everything from street use to the drag racing or circuit run.
Not Yet Reviewed
$293.95
$161.95
On Sale
Use Holley intake manifold gaskets for the reliable sealing of your manifold. They are made using popular materials and construction styles, such as composition and Kormetal, for many popular engines.
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$39.22
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