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The FiTech Ultimate Rebel LS 500 hp EFI loaded intake manifold kits offer numerous benefits for LS engine conversions, including improved performance, enhanced fuel efficiency, and simplified installation to help to minimize downtime. These kits provide a modern, self-tuning fuel injection system that optimizes engine performance, offering better throttle response, increased horsepower, and improved fuel economy compared to traditional carburetors. These comprehensive conversion kits come with all the necessary components for a complete installation, including the ECU, sensors, wiring harness, and other fuel system parts. Key benefits and advantages: * Modern engine management utilizes speed density metering for optimal performance * Reliable and consistent fuel delivery * Boost/Nitrous compatibility—the system can handle boosted and nitrous applications, making it suitable for high-performance builds * E85 compatibility—supports E85 fuel, offering flexibility for different fuel preferences * Visual appeal—the low-profile intake manifold and redesigned fuel rail bracket enhance the overall appearance of the engine bay Kit components: * LS1/LS2/LS6 FiTech Rebel LS Fabricated Short Manifold (manifold, gaskets and hardware) * Ultimate LS 92mm throttle body with sensors * 36 lb. injectors * 3 Bar MAP sensor allows for boost and nitrous applications, expanding the performance potential of the engine * IAT sensor * Throttle cable bracket with round hole for new style LS intake * Throttle cable bracket with stock GM cable notch for new style LS intake with cable barrel clamp
Not Yet Reviewed
$995.00
The FiTech Ultimate Rebel LS 750 hp EFI loaded intake manifold kits are a popular choice for enthusiasts looking to upgrade their LS engine's performance and aesthetics. These kits offer several benefits for LS engine conversions, including increased horsepower potential, improved airflow, and a cleaner engine bay appearance. The kits are designed for ease of installation and optimal performance, supporting up to 750 horsepower and offering features like E85 compatibility and boost/nitrous readiness, which makes them suitable for high-performance applications. Key benefits and advantages: * Modern engine management utilizes speed density metering for optimal performance * Billet fuel rails and 55 lb. injectors ensure reliable and consistent fuel flow * Boost/Nitrous compatibility—the system can handle boosted and nitrous applications, making it suitable for high-performance builds * E85 compatibility—supports E85 fuel, offering flexibility for different fuel preferences * Visual appeal—the low-profile intake manifold and redesigned fuel rail bracket enhance the overall appearance of the engine bay Kit components: * LS1/LS2/LS6 FiTech Rebel LS Fabricated Short Manifold (manifold, gaskets and hardware) * Ultimate LS 102mm throttle body with sensors * 55 lb. injectors * 3 Bar MAP sensor allows for boost and nitrous applications, expanding the performance potential of the engine * IAT sensor * Throttle cable bracket with round hole for new style LS intake * Throttle cable bracket with stock GM cable notch for new style LS intake with cable barrel clamp
Not Yet Reviewed
$995.00
The FiTech Ultimate Rebel LS 1000 hp EFI loaded intake manifold kits offer significant performance and convenience benefits for LS engine builds, supporting up to 1000 horsepower. That makes them suitable for both naturally aspirated and boosted applications. The kits are designed to streamline the conversion to electronic fuel injection (EFI), providing a complete, high-performance solution with features like optimized airflow, and precise fuel delivery. Plus, these conversion kits are easy to install. Key benefits of the FiTech Ultimate Rebel LS EFI System: * High-Performance—supports up to 1000 horsepower, making it suitable for both naturally aspirated and boosted applications * Includes all necessary components for a streamlined installation, such as the intake manifold, throttle body, injectors, wiring harness, and sensors * Optimized power delivery—features a long runner intake manifold designed to enhance power in the 1500-6500 rpm range * Increased airflow—the 102mm throttle body ensures ample airflow for improved performance * Precise engine management, sequential fuel and spark control, along with dual wideband O2 sensors, provide accurate monitoring and optimal performance * Boost/Nitrous compatibility—the 3 BAR MAP sensor supports boosted applications up to 30 psi * Enhanced appearance—the redesigned fuel rail bracket and overall cleaner profile contribute to a more refined engine bay appearance * User-Friendly installation—kit is designed for ease of installation, minimizing downtime and complexity * Improved fuel efficiency—optimizes fuel delivery for better fuel economy * Better throttle response—provides a more responsive and engaging driving experience Specific features: * Thicker gauge manifold reduces injection noise for a quieter operation * Redesigned fuel rail bracket enhances the visual appeal of the engine bay * Handheld monitor allows for real-time adjustments and tuning * Magnetic handheld mount provides convenient storage and access to the monitor * Oxygen sensor bung kit for proper sensor installation * Throttle cable brackets ensure proper throttle linkage setup
Not Yet Reviewed
$995.00
Holley offers EFI Hi-Ram intake manifolds for a variety of applications, including many vehicles from the 1950s, '60s, '70s, and '80s with a Chevy small block Gen I engine. Fuel rail kits are provided and have mounting for both long and short type fuel injectors. These manifolds offer the performance potential and the appearance of professionally prepared billet and fabricated racing intake manifolds at the affordable price of a cast-aluminum product. They deliver 21st century performance for the iconic small-block Chevy engine. * Model 300-950 is of standard Hi-Ram configuration with a "top-feed" plenum and a plenum top designed to accept up to an 105mm Gen IV LS 4-bolt throttle body, including drive-by-wire throttle bodies. * Model 300-951 is a hood-height friendly Hi-Ram variation which has a "front-feed" plenum and a forward-facing throttle body flange which accepts an up to 95mm LS 4-bolt throttle body, also, including DBW throttle bodies. It's an upgrade replacement for the Holley/Weiand Stealth-Ram intake manifold which was a popular manifold used to significantly improve the performance of 1985-92 GM 5.7L TPI fuel-injected engines. The 300-951 system installs under the OE hood for Gen 1, 2, and 3 Camaros and Firebirds. It should be compatible with most applications with a mild cowl induction hood. * Uses drive-by-wire or cable-actuated GM Gen IV LS 4-bolt throttle bodies * Throttle cable bracket is supplied in the kit * GM Gen IV LS MAP sensor port. Also has provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings to the plenum * Power band: 1,500-8,000 rpm * Black anodized EFI fuel rails are machined for -6 AN O-ring fittings and come included with these EFI Hi-Ram kits * Plenum top gasket type – 3/32 in. round O-ring cord * Cast 356-T6 aluminum construction, natural, satin as-cast aluminum finish * Requires the use of early type GM or small cap MSD or Holley distributors. Not compatible with HEI distributors * 1.95 in. tall x 1.25 in. wide port flange openings
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$999.95
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$1,049.95
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
Holley EFI Gen III Hemi Hi-Ram intake manifolds are for high performance applications where induction system height is not limited. Able to add even more power to your engine, these manifolds have large intake ports and a modular base design with runner lengths and tapered cross-sections that will perform well for a wide range of engine configurations. Their aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, and street-rod applications. Holley EFI Gen III Hemi Hi-Ram intake manifolds feature cast aluminum construction offered with a natural satin or black finish. They are available with either a 95 or 105mm LS-style throttle body or as the manifold base alone for custom induction systems. Features and benefits: * Modular design base accepts a wide range of EFI tops and can be used as the foundation for custom induction systems * EFI fuel rails are machined for -8 AN O-ring fittings with passages large enough to accommodate high fuel flow and dampen pressure pulsations in the fuel system * Intended for use on naturally aspirated, forced induction, or nitrous engines in the 5.7L to 7.2+L range, and maximum power at 7,500 to 8,500 rpm * Works with Gen III Hemi injectors and Bosch EV-1 style injectors * O-ring seal to head offer superior OE-style sealing and are easy to replace * Billet oil fill cap offers an attractive low-profile design * Positive Crankcase Ventilation (PCV) ports with adapter fittings * Port for OE-style Manifold Absolute Pressure (MAP) sensor (1 or 2 Bar) * Cast-in pads for adding nitrous nozzles
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$949.95
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$1,499.95
Holley EFI LS single plane mid-rise intake manifolds are great for your higher horsepower engine. Featuring cast aluminum construction, these manifolds are also great for centrifugal blower, turbocharged, or NOS mild power adder applications. The efficient casting design is lightweight--11.5 lbs.--with consistent wall thickness and strong mounting flanges. The optimized runner layout and constant cross sectional area offer a broad torque curve, with the best vehicle performance from 2,500 to 7,000 rpm. The mid-rise design offers minimum carb mounting flange height--without sacrificing power--and is another plus for vehicles with minimum hood modifications. Holley EFI LS single plane mid-rise intake manifolds include zinc-plated hex head cap mounting bolts and washers, pipe plugs to block manifold vacuum and MAP sensor ports, and Viton® O-ring cylinder head mounting flange gaskets for an OEM-style seal.
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$499.95
Performance Design XS intake manifolds break the mold of existing intake manifold architecture to maximize available space under the hood. When designing the optimum intake runner length and shape, the fuel rail gets in the way—so they moved it—inside the intake manifold! Those billet fuel rails feature an external quick-disconnect near the stock location. Testing proved these models, featuring injection-molded, glass-reinforced nylon construction, made horsepower and torque gains on a stock engine—with increasing gains as the engine got more aggressive with camshaft and exhaust upgrades! Other product features and specifications include: * Modular runners with three staggered lengths for best performance * Forward-facing throttle body flanges (90-101mm, 103mm, and 112mm) * Full assembly can be reversed on the engine * Fits under the cowl hood of a C6 Chevy Corvette * Factory MAP sensor location * PCV and canister purge solenoid OEM connections * Accepts standard EV6 LS3/LS7-style injectors * Injector extension wires pass through sealed grommets * Maximum recommended boost is 20 psi * Carbon fiber center bolt cover * Includes stainless steel hardware for installation * Includes molded port, plenum, and throttle seals
Not Yet Reviewed
$999.99
Our Summit Racing Max EFI LS intake manifolds feature a curved edge design with a large 9.7-liter plenum, for maximum flow and horsepower. They are available in both tall and low-profile, and satin or black anodized finishes. They include gaskets, mounting hardware, and a billet fuel rail kit.
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$499.99
On Sale
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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$810.95
$446.95
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$899.95
Holley EFI LS Mid-Rise intake manifolds are designed for your high performance race engine. They're an excellent choice for street and performance street/strip applications. They're intended for big cube and high-rev applications without height limitations. The modular design of these manifolds offers a runner length and as-cast tapered cross-section design that works for a wide range of engine configurations. The included fuel rails are machined for -8 AN O-ring fittings, with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system. Build maximum performance with EFI LS Mid-Rise intake manifold bases from Holley.
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$1,099.95
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$1,149.95
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