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FiTech Ultimate LS Loaded intake manifold kits are just like the systems, but without the ECU and hand-held controller. FiTech Ultimate LS Loaded intake manifold kits will have: * Low-profile 92mm or 102mm (750 hp kits only) inlet aluminum fabricated intake with 1,500 to 6,500 rpm powerband, 3mm construction, TIG-welded, black anodized with embossed FiTech logo * CNC-machined with O-ring gaskets and hardware included * High-flow cable operated 92mm or 102mm (750 hp kits only) throttle body * Parabolic inlet machining for smooth throttle transitions, same as OE * Throttle body features progressive linkage pulley with double-return spring and adjustable stop * Billet fuel rails with AN fittings and fuel crossover * 36 or 55 (750 hp kits only) lbs./hr. flow-matched injectors
( 6 )
$965.00
FiTech presents Ultimate LS standalone ECUs. These self-learning ECUs are offered with and without transmission control. So if you're considering utilizing a factory intake, throttle body, and injectors, FiTech Ultimate LS standalone ECUs will get your engine ready for optimal performance.
( 51 )
$959.00
FiTech Ultimate Rebel LS cathedral intake manifolds with fuel rails enhance the performance of LS engines equipped with cathedral port cylinder heads. The manifold optimizes airflow and ensures consistent fuel delivery, resulting in improved engine efficiency and power output, while the fuel rails provide a consistent fuel delivery solution. Paired under the hood they provide a perfect fusion of aesthetics and performance. Features: * Precision-engineered cathedral port design for optimal airflow * Integrated fuel rail mounting points for a clean installation * Designed to improve air velocity into the cylinder heads * Engineered to increase the volume of air entering the engine * Compatible with factory or aftermarket fuel lines
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
FiTech offers Rebel LS intake manifolds for a variety of applications, including LS1, LS2, LS3, and LS4 engines. Fabricated from 3mm thick aluminum, the multi-port fuel-injection style units are available in short or tall height configurations. They're TIG-welded with a 1,500-6,500 rpm power band up to 500 hp to the flywheel. Choose from a black, black anodized, satin, or polished finish. Order the options recommended for your vehicle.
Not Yet Reviewed
$995.00
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