Products

Outputs: Up to 8 injector and 8 ignition. Suits: Universal 1-12 cylinder or 2-4 rotor applications. Includes: Elite 2500 ECU with DBW and Race Functions, USB programming cable and USB Software Key. Notes: Ideal for popular late model performance and racing applications. Recommended for 4, 6, 8 cylinder, Drive-By-Wire (DBW) or 2, 3, 4 rotor engines, EFI conversions, engines with multiple variable camshafts. ECU OVERVIEW Haltech's Elite 2500 ECU takes the art of engine calibration to a whole new level. Featuring a robust environmentally sealed water resistant IP67-rated case, drive-by-wire throttle control, intake and exhaust cam control, short-term and long-term map learning, dual channel knock control, and much more, the Elite 2500 ECU provides engine calibrators with the tools they need to get the job done right. The Elite 2500 ECU is now paired with the new Nexus Software Programmer (NSP) that brings levels of functionality and user-friendliness never seen before in an engine control package. Together they offer true cutting-edge technology to tuners and performance enthusiasts worldwide. Supports 1 to 12 Cylinder engines 2 to 4 Rotor engines Normally aspirated or forced induction Load sensing by Throttle Position (TPS), Manifold Absolute Pressure (MAP) or Mass Air Flow (MAF) Staged, Sequential, semi sequential, batch or multipoint injection patterns Distributor ignition systems, multi-coil systems, expand CDI range or Haltech Multiplex CDI systems Connect to a wide range of display dashes and expansion devices via CAN. Waterproof Case (With Pocket Cover Fitted) 8 x Fuel Injection Outputs 8 x Ignition Outputs 12 x Digital Outputs 10 x Analogue Voltage Inputs 4 x Synchronised Pulsed Inputs 4 x Dedicated inputs (Dual Knock, ignition Switch & onboard MAP Sensor) 2 x Dedicated Engine Position Inputs with extensive trigger type support Up to 45 channels of Input & Output (I/O) expansion (via CAN) USB Laptop communication (Windows) NSP Calibration Software - Intuitive and easy to use

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Outputs: Up to 8 injector and 8 ignition. Suits: Universal 1-12 cylinder or 2-4 rotor applications. Includes: Elite 2500 ECU Plug and Pin Set to suit Notes: Ideal for popular late model performance and racing applications. Recommended for 4, 6, 8 cylinder, Drive-By-Wire (DBW) or 2, 3, 4 rotor engines, EFI conversions, engines with multiple variable camshafts. ECU OVERVIEW Haltech's Elite 2500 ECU takes the art of engine calibration to a whole new level. Featuring a robust environmentally sealed water resistant IP67-rated case, drive-by-wire throttle control, intake and exhaust cam control, short-term and long-term map learning, dual channel knock control, and much more, the Elite 2500 ECU provides engine calibrators with the tools they need to get the job done right. The Elite 2500 ECU is now paired with the new Nexus Software Programmer (NSP) that brings levels of functionality and user-friendliness never seen before in an engine control package. Together they offer true cutting-edge technology to tuners and performance enthusiasts worldwide. Supports 1 to 12 Cylinder engines 2 to 4 Rotor engines Normally aspirated or forced induction Load sensing by Throttle Position (TPS), Manifold Absolute Pressure (MAP) or Mass Air Flow (MAF) Staged, Sequential, semi sequential, batch or multipoint injection patterns Distributor ignition systems, multi-coil systems, expand CDI range or Haltech Multiplex CDI systems Connect to a wide range of display dashes and expansion devices via CAN. Waterproof Case (With Pocket Cover Fitted) 8 x Fuel Injection Outputs 8 x Ignition Outputs 12 x Digital Outputs 10 x Analogue Voltage Inputs 4 x Synchronised Pulsed Inputs 4 x Dedicated inputs (Dual Knock, ignition Switch & onboard MAP Sensor) 2 x Dedicated Engine Position Inputs with extensive trigger type support Up to 45 channels of Input & Output (I/O) expansion (via CAN) USB Laptop communication (Windows) NSP Calibration Software - Intuitive and easy to use

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Suitable for all applications that require a digital speed signal Outputs: 0V to 12V Pulsed Output Includes: Includes: GPS Speed Input Module & GPS Antenna Matching male DTM-3 Connector and pins Notes: Calibration: 5000ppk (5000 pulses per km), Use with SPI or DPI ECU Inputs, GPS update Rate 10Hz, High Accuracy 0.3% Deviation, Pulse Compensation in tunnel, Anti GPS Drift technology.

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If you want the best combustion sealing solution on the market for your GTR, look no further. Our Extreme Performance fire ring kits have been developed from the ground up to overcome the problems usually found on other systems and provide the greatest sealing capacity. What makes our fire rings so special? SURFACE AREA AND CLAMP SPREAD Our rings are the widest on the GTR market. Made from the same material the Top Fuel teams use, we have maximized the available sealing area through trial and error in order to provide a ring that provides the maximum seating surface in order to spread the clamping load over a wider area and prevent cylinder head warpage during torque. GASKET THICKNESS After many years of testing, we have come up with the optimum gasket thickness that works best in all-out engines. On a GTR engine, the head gasket thickness determines the center of the variable cam gears, which need to be precisely aligned. Our fire ring and gasket combination is 0.010" taller than the OEM gasket, which allows machine shops to mill the cylinder heads to perfection without fear of displacing the VCT alignment. CLAMP SHARING In a fire ring sealing system, the gasket is usually used only to seal the oil and water passages and 100% of the sealing is left to the rings. In our Extreme Performance system, we have carefully measured fire ring crush height so that the copper gasket shares about 15% of the clamp force. This clamp sharing ensures a complete gasket seal and uses the awesome properties of copper to provide a secondary barrier to combustion leakage under extreme boost. COMPATIBLE WITH SLEEVES Our fire rings have been carefully dimensioned to be compatible with both stock and sleeved blocks. On dry sleeves, our rings seat entirely over the steel. This provides a failsafe so that during clamping, all of the force is exerted onto the cylinder sleeve and not on the surrounding aluminum, pressing the sleeve into the block and preventing any "sleeve drops". Kit includes: Two copper gaskets 6 fire rings Instructions for machining groove We recommend CNC machining of the fire ring grooves in the engine block due to the extremely tight tolerances of our gaskets. We can also provide CNC machining of the engine block as a service. While these can be installed on the cylinder head, we recommend engine block installation so that whenever the cylinder heads need to be serviced, they can be surfaced without worry of disturbing the seating groove. Seating the rings in the block also ensures correct gasket alignment and prevents the rings from dropping during installation.

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This module converts the digital signal from a flex fuel sensor into an analog signal that the R35 ECU can process. Simple plug and play installation makes this module a breeze to use. All of our products are proudly assembled in the USA. Flex fuel composition sensor sold separately. Signal output is ratiometric: 0.5V = 0% ethanol content 4.5V = 100% ethanol content Less than 0.5V or higher than 4.5V indicate contaminated fuel or sensor/module malfunction   IMPORTANT EMISSIONS NOTICE: In many states, it is unlawful to tamper with your vehicle's emissions equipment. Karel Tuning LLC products are designed and sold for sanctioned off-road/competition non-emissions controlled vehicles only and may never be used on a public road or highway. Using Karel Tuning LLC products for street/road use on public roads or highways is prohibited by law unless a specific regulatory exemption exists. It is the responsibility of the installer and/or user of this product to ensure compliance with all applicable local and federal laws and regulations. Please check with your local vehicle authority before purchasing, using or installing any Karel Tuning LLC product.

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If you want the best combustion sealing solution on the market for your street GTR R35, look no further. Our Ultra Performance fire ring kits have been developed from the ground up to overcome the problems usually found on other systems and provide the greatest sealing capacity. This kit is suited for street engines that will make under 1800HP. The composite gasket material ensures a perfect seal against coolant and oil and we have tested it to well over 2000HP. However if your engine exceeds our recommended rating, you can also look at our Extreme Performance kit. What makes our fire rings so special? SURFACE AREA AND CLAMP SPREAD Our rings are the widest on the GTR market. Made from the same material the Top Fuel teams use, we have maximized the available sealing area through trial and error in order to provide a ring that provides the maximum seating surface in order to spread the clamping load over a wider area and prevent cylinder head warpage during torque. GASKET THICKNESS After many years of testing, we have come up with the optimum gasket thickness that works best in all-out engines. On a GTR engine, the head gasket thickness determines the center of the variable cam gears, which need to be precisely aligned. Our fire ring and gasket combination is 0.010" taller than the OEM gasket, which allows machine shops to mill the cylinder heads to perfection without fear of displacing the VCT alignment. CLAMP SHARING In a fire ring sealing system, the gasket is usually used only to seal the oil and water passages and 100% of the sealing is left to the rings. In our Ultra Performance system, we have carefully measured fire ring crush height so that the copper gasket shares about 15% of the clamp force. This clamp sharing ensures a complete gasket seal against oil and coolant leakages. COMPATIBLE WITH SLEEVES Our fire rings have been carefully dimensioned to be compatible with both stock and sleeved blocks. On dry sleeves, our rings seat entirely over the steel. This provides a failsafe so that during clamping, all of the force is exerted onto the cylinder sleeve and not on the surrounding aluminum, pressing the sleeve into the block and preventing any "sleeve drops". Kit includes: Two head gaskets 6 fire rings Instructions for machining groove We recommend CNC machining of the fire ring grooves in the engine block due to the extremely tight tolerances of our gaskets. We can also provide CNC machining of the engine block as a service. While these can be installed on the cylinder head, we recommend engine block installation so that whenever the cylinder heads need to be serviced, they can be surfaced without worry of disturbing the seating groove. Seating the rings in the block also ensures correct gasket alignment and prevents the rings from dropping during installation.

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Suits: All currrent Haltech ECUs via CAN. Also Plug'n'Play compatible with the following aftermarket ECU brands: Link, MaxxECU, Microtech, MoTeC M1 series, MoTeC hundred series- (M400,600,800 gold box ECUs), Syvecs. Includes: Haltech iC-7 Display Dash, 34 Pin main connector harness (including spare pins for input wiring), DTM-4 to DTM-4 CAN extension cable, USB to M5 right angle cable, USB Cable, Mounting Screws, USB flash drive with iC-7 Software, Quick Start Guide, Haltech stickers and a fabric keyring tag DASH OVERVIEW With a crisp, clear and full colour display, the all new Haltech iC-7 Display Dash lets you see things in a brand new way. Designed and manufactured in Australia with motoring enthusiasts in mind, the iC-7 offers market-leading features in a unique, state-of-the-art package. Featuring auto-dimming ambient light reactive brightness, user-programmable multi-colour shift light bar, the iC-7 connects directly to all current Haltech ECUs via a CAN network. Ideal replacement for individual analogue gauge clusters. Easy to install and configure. User adjustable brightness control with automatic dimming. User configurable channels, units and alarms. 14 programmable, seven colour shift light LEDs. Controlled via easily accessible, face-mounted control buttons. Configuration via Haltech iC-7 software and USB cable.

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This adapter connector allows turning on the ignition system on our Yamaha harnesses when performing firmware upgrades, datalogging or any operation that requires the system to be powered without the engine turning. Also allows connecting to the ECU via Wi-Fi during tuning sessions without the need for a USB cable. Fits: Yamaha GP1800 series main harness Yamaha FX series main harness Yamaha FZR series main harness

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Suits: Racing application where advanced race features, data logging and power management control is required. Includes: NEXUS R5 VCU, SurLok connectors (Red and Black), Wi-Fi antenna, mounting bolts, USB-C Cable, USB-C dust cap, USB drive with NSP Software. Plug and pin set: AMP 26 pin key 1 and 3, 34 pin key 1 and 2, DTP-4. Plug and Pin Set - Suits Nexus R5 use in converting an existing loom to suit NEXUS R5 applications. VCU OVERVIEW NEXUS R5 is the new Haltech flagship product combining the functionality of a power distribution module, a data logger, a dual channel wideband controller and a state-of-the art engine management system in one powerful device we call a VCU (Vehicle Control Unit). 4 x 25A (continuous) push-pull PWM capable (5 kHz) outputs (for power to injectors / coils, transbrake, thermofan, fuel pump) 12 x 8A (continuous) high side outputs (low speed PWM, 200 Hz) outputs (power to sensors, NOS solenoids, etc) 18 x peak/hold injector drivers (can be used as low side drive outputs) 12 x low current ignition outputs (can be used as low side drive outputs) 8 x low side drive outputs, PWM capable (DPOs) 4 x push-pull / h-bridge outputs (8A, PWM capable), eg for electronic throttle 23 x 0-5V analog inputs with redunancy for electronic throttle and switchable 5V pullup Trigger and home inputs with differential inputs, adjustable thresholds and glitch filters 10 x synchronous pulsed inputs, zero crossing or adjustable thresholds - cam sensor inputs, frequency inputs or 0-5V analog inputs 2 x onboard wideband controllers, supporting NTK and LSU4.9 3 x CAN ports with switchable termination

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Outputs: Up to 18 injector and 12 ignition Suits: Racing application where advanced race features, data logging and power management control is required. Includes: NEXUS R5 VCU, SurLok connectors (Red and Black), Wi-Fi antenna, mounting bolts, USB-C Cable, USB-C dust cap, USB drive with NSP Software. VCU OVERVIEW NEXUS R5 is the new Haltech flagship product combining the functionality of a power distribution module, a data logger, a dual channel wideband controller and a state-of-the art engine management system in one powerful device we call a VCU (Vehicle Control Unit). 4 x 25A (continuous) push-pull PWM capable (5 kHz) outputs (for power to injectors / coils, transbrake, thermofan, fuel pump) 12 x 8A (continuous) high side outputs (low speed PWM, 200 Hz) outputs (power to sensors, NOS solenoids, etc) 18 x peak/hold injector drivers (can be used as low side drive outputs) 12 x low current ignition outputs (can be used as low side drive outputs) 8 x low side drive outputs, PWM capable (DPOs) 4 x push-pull / h-bridge outputs (8A, PWM capable), eg for electronic throttle 23 x 0-5V analog inputs with redunancy for electronic throttle and switchable 5V pullup Trigger and home inputs with differential inputs, adjustable thresholds and glitch filters 10 x synchronous pulsed inputs, zero crossing or adjustable thresholds - cam sensor inputs, frequency inputs or 0-5V analog inputs 2 x onboard wideband controllers, supporting NTK and LSU4.9 3 x CAN ports with switchable termination

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Connects to our main harness on the Yamaha GP1800 and FX series and enables the use of a nitrous solenoid and also provides a connection for a nitrous pressure sensor to the ECU.  

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Suits: Haltech Nexus or Elite Series ECU's Includes: 1 x Haltech PD16, 1 x SurLok 120A Connector Red, 1 x USB Key, 1 x USB-C Cable, 1 x USB-C Dust Cap, 1 x Haltech Fabric Keytag, 1 x Quick Start Guide Booklet, Mounting Hardware - (2 x M5 Bolts and Nuts) Notes: The NEXUS PD16 is Haltech's new power distribution product. Boasting new, innovative yet user-friendly technology, it sets a new market standard for power distribution systems. Designed to integrate seemlessly into your existing Haltech Elite or Nexus engine management system, the PD16 delivers safe, dependable power delivery to your vehicle. FEATURES 10 x High Side Outputs 2 x Half Bridge Outputs 4 x 25A High Current Outputs 8 x Inputs + Dedicated Ignition Switch Input Power for Ignition Switch Integrated into Haltech CAN Bus Network 5V Sensor Supply / Sensor Ground 120A SurLok Connector

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Suits: Haltech Nexus or Elite Series ECU's Includes: 1 x Haltech PD16, 1 x SurLok 120A Connector Red, 1 x USB Key, 1 x USB-C Cable, 1 x USB-C Dust Cap, 1 x Haltech Fabric Keytag, 1 x Quick Start Guide Booklet, Mounting Hardware - (2 x M5 Bolts and Nuts) and Plug and Pin Set to suit Notes: The NEXUS PD16 is Haltech's new power distribution product. Boasting new, innovative yet user-friendly technology, it sets a new market standard for power distribution systems. Designed to integrate seemlessly into your existing Haltech Elite or Nexus engine management system, the PD16 delivers safe, dependable power delivery to your vehicle. FEATURES 10 x High Side Outputs 2 x Half Bridge Outputs 4 x 25A High Current Outputs 8 x Inputs + Dedicated Ignition Switch Input Power for Ignition Switch Integrated into Haltech CAN Bus Network 5V Sensor Supply / Sensor Ground 120A SurLok Connector

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The PDM1 is a powerful solid state relay with built-in overcurrent protection in a small, completely sealed enclosure. Manufactured in the USA and programmed to support continuous 20-amps, it is an intelligent power distribution module that eliminates the need for fuses as is the case with conventional normal and solid state relays. A built-in RGB LED light shows operating conditions and will change colors during overcurrent conditions and will also let the user know when the unit is automatically retrying to activate the circuit after a protection shutdown. The CNC aluminum case is actually smaller that a standard ISO relay and can be mounted in any position. The electronics are fully enclosed in high grade epoxy resin making the entire unit completely waterproof. Internal pullup resistors on the inputs make this unit ideal for controlling nitrous solenoids since it will not "auto-fire" during initial ignition switch Key-On, eliminating the need for DPDT switches and simplifying your nitrous wiring. And it can also be pulse-controlled (PWM) with any square-wave signal up to 1000 times per second. Switching from a conventional relay to a PDM1 is extremely easy and only requires an additional ground signal (low current) wire to be connected. The PDM1 also features an internal microprocessor that monitors current spikes and prevents false overcurrent protection on inductive loads like fans and fuel pumps. By continuously monitoring current, the PDM1 will allow a brief spike that is normal on all inductive devices before entering protection mode. It also features "flyback" protection against negative voltage generated by fans and other inductive motors. Detailed wiring and PWM control instructions are included

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This harness connects to the left (driver's) side MAF sensor and allows the ECU to monitor a fuel pressure sensor. Reaches fuel pressure sensors connected to the back of the fuel rails. For other sensor locations please contact us. Does not interfere with the boost sensor signal.

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Our GTR R35 harness combines the fitment of a stock OEM harness with our race features we are able to wire directly to the Motec M150 and offer in one compact package all the OEM features plus:- Dual map sensors- Dual boost control- Dual inlet ait temperature sensors- Exhaust backpressure on both banks- Dual boost sensors- Flex fuel direct connection- Fuel pressure- Crankcase pressure- 2 Nitrous stages using all OEM fuses and relays- Nitrous pressure- Wheel speed easy inputs for vehicles with ABS delete- Motec dash ready- EGT ready- No throttle body extensions required- 12 Injectors ready- Additional rotary switch- Built-in current sensing for direct control of transfer solenoid and more! This is a complete new harness however, due to the fact that some connectors and grommets are made solely for Nissan, we require a core harness. If a core cannot be provided, we will supply one at extra cost. While this is a plug and play item, expert installation is required since it will require changing Motec firmware wiring assignments to match the supplied base map as well as possible retuning due to additional sensors. Harness is provided with a complete full color PDF diagram of all wiring connections and a base map with firmware of choice with all connections populated. Does not include Knock sensor harness but connects directly to OEM Does not include primary injector harness but connects directly to OEM 12-Injector harness sold separate. Engine harness has connector ready with secondary injectors wired behind intake manifold, not routing through firewall needed Motec ECU sold separately This is a custom-made item. Turn-around time is 2-3 weeks. We do not offer "mil-spec" finishing. All of our harnesses are finished to OEM specs using OEM routing techniques and the highest quality OEM covering materials. We guarantee all of our products are free of manufacturing defects and have tested them for years.   IMPORTANT EMISSIONS NOTICE: In many states, it is unlawful to tamper with your vehicle's emissions equipment. Karel Tuning LLC products are designed and sold for sanctioned off-road/competition non-emissions controlled vehicles only and may never be used on a public road or highway. Using Karel Tuning LLC products for street/road use on public roads or highways is prohibited by law unless a specific regulatory exemption exists. It is the responsibility of the installer and/or user of this product to ensure compliance with all applicable local and federal laws and regulations. Please check with your local vehicle authority before purchasing, using or installing any Karel Tuning LLC product.

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