The Torque Solution Fast Response SD IAT Sensor Kit is an essential upgrade for vehicles utilizing a Speed Density (SD) tuning strategy. This kit provides the ECU with rapid, high-accuracy intake air temperature data, which is critical for maintaining precise fueling and ignition timing during varying load conditions and boost levels.

Featuring a GM-style sensor known for its reliability and quick thermal response, this kit allows you to relocate your IAT reading to the most effective point in your intake tract. The included aluminum weld bung ensures a professional, leak-free installation into custom intercooler piping or intake manifolds.

• Fast response GM-style Intake Air Temperature (IAT) sensor
• Includes a dedicated wiring pigtail for secure electrical connectivity
• High-quality aluminum weld-on bung for custom intake integration
• Optimized for Speed Density tuning applications
• Manufacturer Part Number: TS-ES-IAT-GMPA

The Torque Solution Fast Response Intake Air Temperature (IAT) Sensor is engineered for high-performance tuning applications where precision and speed are critical. Unlike standard closed-element sensors that often suffer from heat soak and delayed readings, this open-element GM-style sensor provides the engine management system with near-instantaneous air temperature data.

This sensor is an essential upgrade for vehicles running standalone ECUs or speed-density conversions. By delivering more accurate intake charge temperatures to the ECU, it allows for more precise fueling and ignition timing adjustments, especially in forced induction setups where temperatures can fluctuate rapidly.

• Fast Response: Open-element thermistor design for rapid temperature sampling and minimal lag.
• Universal Application: Standard GM-style scaling and physical footprint for easy integration into custom intake piping.
• Performance Tuning: Ideal for standalone engine management systems requiring high-resolution temperature data.
• Manufacturer Part Number: TS-ES-IAT-GM

Fits 2018-2023 Jeep Wrangler JL and 2020-2023 Jeep Gladiator JT models.

The Z Automotive Z Locker OEM is a specialized bypass solution designed to address the common "Service Axle Locker" warning light found on late-model Jeeps. When the internal position sensor in the factory locker fails, the vehicle's computer disables locker engagement and triggers a dash error. This module plugs directly into the factory axle harness, bypassing the faulty sensor to restore full locker functionality without the need for a costly axle teardown or actuator replacement.

• Fixes the "Service Axle Locker" dash error and restores locker operation
• 100% plug-and-play installation at the axle housing
• Prevents the need for expensive OEM locker actuator or whole axle replacement
• Maintains factory locker engagement and dashboard indicator behavior
• Manufacturer Part Number: Z_LKR_OEM

Fits 2018-2023 Jeep Wrangler JL and 2020-2023 Jeep Gladiator JT.

The Z Automotive Tazer Z Locker Controller (MPN: Z_LKR_CTLR) provides off-road enthusiasts with total manual control over factory electronic lockers. Designed to bypass restrictive factory parameters, this module allows you to engage your front and rear lockers in 2HI, 4HI, or 4LO, and at any vehicle speed.

Whether you are tackling high-speed sand dunes or need lockers engaged before hitting a technical obstacle in 4HI, this controller ensures your Jeep's drivetrain responds to your inputs rather than pre-programmed safety limits. It installs easily by plugging into the factory harness, maintaining a clean setup without permanent modifications.

• Enables locker engagement in 2HI, 4HI, and 4LO modes
• Removes factory speed limitations for differential locking
• Plug-and-play installation into the factory wiring harness
• Retains use of factory dash switches for intuitive operation
• Manufacturer Part Number: Z_LKR_CTLR

Fits 2002-2004 Honda K-Series engines using 02-04 RSX K20 sensors. This professional-grade engine harness is built to Mil-Spec standards, providing a cleaner, more durable alternative to factory looms for high-performance K-swap or track-focused builds.

The RY-K2-MILSPEC harness is designed for the 02-04 RSX K20 OBD2 sensor configuration. It utilizes high-temperature wiring and professional sleeving to resist engine bay heat and chemicals, ensuring signal integrity under demanding conditions. Please note that a chassis-specific adapter is required to connect this engine harness to your vehicle's ECU and interior electronics.

• Manufacturer Part Number: RY-K2-MILSPEC
• Sensor Compatibility: 2002-2004 RSX K20 (OBD2)
• Harness Type: Mil-Spec Engine Wiring
• Fitment: 2002-2004 Honda K-Series
• Required Component: Chassis-specific adapter (sold separately)

The SPAL FRH Electric Cooling Fan Wiring Harness provides a heavy-duty electrical solution for powering high-performance fan motors. This harness is engineered to safely manage the high current draw of an electric fan, isolating the load from your primary electrical system and preventing damage to ignition switches or sensitive factory wiring.

• Manufacturer Part Number: FRH
• Features a high-capacity relay for consistent power delivery and reliable fan engagement
• Integrated fuse holder provides essential circuit protection against electrical surges
• Constructed with automotive-grade wiring designed for the harsh temperatures of an engine bay
• Optimized for single-fan installations in diverse cooling applications

The SPAL Jumper Harness with Metri-Pack Connector provides a professional-grade electrical interface for automotive cooling fans and accessories. This harness is engineered to simplify wiring while ensuring a robust, low-resistance connection between the fan motor and the vehicle's power source.

Utilizing a genuine Metri-Pack connector, this jumper provides a weather-sealed and vibration-resistant union, making it ideal for the harsh conditions found within an engine bay. Whether you are performing a fresh installation or replacing a damaged lead, this harness maintains the electrical integrity required for high-performance cooling systems.

• Genuine Metri-Pack connector for a weather-tight, secure seal
• High-quality insulated lead wires for automotive heat resistance
• Simplifies plug-and-play integration for SPAL cooling fans
• Manufacturer Part Number: FR-PT15300027-PKG

The SPAL Jumper Harness (FR-PT-PKG) provides a reliable electrical interface for integrating high-performance SPAL electric fans into your vehicle's cooling system. This harness is engineered to maintain secure electrical continuity between the fan motor and your power source, simplifying the installation process and ensuring consistent operation in demanding engine bay environments.

• Manufacturer Part Number: FR-PT-PKG
• Specifically designed for SPAL high-performance electric cooling fans
• Ensures secure electrical connections to prevent voltage drop
• Simplifies wiring for cleaner, more professional installations
• Durable construction resistant to heat and vibration

The SPAL 195FH provides a reliable, automated solution for controlling your vehicle's electric cooling fans. This complete kit is engineered to trigger the fan at 195°F, ensuring consistent engine operating temperatures. By utilizing a dedicated heavy-duty relay, the system safely manages the high current draw required by performance fans, protecting your factory wiring and components from heat and electrical stress.

• Manufacturer Part Number: 195FH
• Activation Temperature: 195°F thermo-switch trigger
• Components: Includes 12V relay, thermo-switch, and pre-terminated wiring harness
• Compatibility: Suitable for use with SPAL and other high-performance electric fans
• Application: Ideal for radiator fan automation in street and performance cooling systems

The SPAL 195-degree thermostatic switch provides precise automated control for electric cooling fan systems. By grounding the relay circuit when coolant reaches 195°F, this switch ensures your engine stays within its optimal operating temperature range without requiring manual activation.

• Manufacturer Part Number: 195-TS-PKG
• Activation Temperature: 195°F
• Component Type: Thermostatic Fan Switch
• Function: Closes the circuit to trigger fan relays for cooling efficiency
• Durability: Designed to withstand high-heat engine bay environments for long-term reliability

The SPAL 185FH Electric Fan Relay Harness Kit provides a reliable, automated solution for controlling your vehicle's electric cooling fan. This system is engineered to trigger the fan once coolant reaches 185 degrees Fahrenheit, ensuring the engine maintains optimal operating temperatures without manual intervention. By automating the cooling cycle, this kit protects your engine from overheating while eliminating the need for cockpit-mounted toggle switches.

Built with heavy-duty automotive-grade wiring and a high-quality relay, the 185FH is designed to handle the amperage demands of high-performance fans. The included thermo-switch features a threaded body for direct installation into the engine block or radiator for precise temperature sensing.

• Manufacturer Part Number: 185FH
• Activation Temperature: 185°F
• System Voltage: 12V
• Kit Includes: Wiring harness, heavy-duty relay, 185-degree thermo-switch, and required electrical connectors
• Application: Universal control for single electric cooling fans

The SPAL 185-TS-PKG 185-degree thermostatic fan switch provides precise automation for your vehicle's electric cooling fans. By monitoring coolant temperature directly, this sensor ensures your fans activate at the 185°F threshold to maintain optimal thermal efficiency and protect the engine from overheating.

Designed for reliability in high-performance cooling systems, this switch eliminates the need for manual fan operation and helps maintain a consistent operating temperature. It is an essential component for any custom radiator setup or electric fan conversion requiring a dedicated thermal trigger.

• Manufacturer Part Number: 185-TS-PKG
• Temperature Rating: 185°F
• Type: Thermostatic Fan Switch
• Function: Automates electric fan activation based on coolant temperature

Fits select 1992-2000 Honda and Acura models with 4-wire oxygen sensors.

This Rywire 4-Wire O2 Sensor Extension Harness provides the additional length required when installing aftermarket headers, test pipes, or custom exhaust systems that relocate the oxygen sensor further from the factory harness connection. Designed to maintain circuit integrity without the need for cutting, splicing, or pinning, this extension ensures a clean, professional installation for B-series and D-series engine platforms.

• Manufacturer Part Number: RY-SUB-4-WIRE-O2-EXT
• Configuration: 4-wire O2 sensor interface
• Application: Plug-and-play for 1992-2000 Honda/Acura factory connectors
• Design: Automotive-grade wiring and connectors for high-heat environments
• Minimum Order Quantity: 10 units

The Rywire Honda K24 Tucked Engine Harness is engineered for performance builds and engine swaps where a clean, professional aesthetic is a priority. This harness is specifically pinned and connectorized for the 2002-2004 K24 crank and knock sensors, allowing for a reliable electrical connection to your engine management system without the need for adapters.

Designed with a "tucked" layout, this harness reroutes wiring to minimize clutter in the engine bay. This version is configured for the Front VSS (Vehicle Speed Sensor) position, ensuring compatibility with specific transmission housings that utilize a front-mounted sensor. Each harness is constructed with high-grade materials to withstand the heat and vibration of a high-performance engine environment.

• Designed for Honda K24 engine applications
• Specific plugs for 2002-2004 K24 Crank and Knock sensors
• Optimized for Front VSS (Vehicle Speed Sensor) location
• High-quality loom and professional-grade connectors for longevity
• Manufacturer Part Number: RY-K24-BASE-FRONTVSS

The Rywire RY-K24-BASE tucked engine harness is the professional standard for Honda K24 engine swaps and builds where a clean, show-quality engine bay and reliable electrical performance are required. This harness is specifically engineered to route wiring away from the top of the valve cover, hiding the loom for a "tucked" aesthetic without sacrificing accessibility or signal integrity.

• Sensor Compatibility: Integrated connectors for 2002-2004 K24 crank and knock sensors.
• VSS Configuration: Pre-wired for the Rear Vehicle Speed Sensor (VSS) position.
• Build Quality: Features high-grade wiring and connectors designed to withstand the heat and vibration of high-performance engine bays.
• Ease of Installation: Replaces brittle or cluttered OE harnesses with a streamlined, purpose-built solution.
• Part Number: RY-K24-BASE

By utilizing factory-style connectors and precise pinouts, this Rywire harness ensures your ECU receives clean data from critical engine sensors, making it an essential component for K-series enthusiasts focusing on both form and function.

The Rywire Mil-Spec Engine Harness (RY-K2-RWD) is designed specifically for RWD K-Series engine swaps utilizing a 2002-2004 K-Series engine, a 2002-2004 ECU (Hondata K-Pro compatible), and an S2000 (S2K) transmission. This professional-grade harness is engineered to simplify the complex wiring involved in RWD Honda swaps while providing the durability and signal integrity required for high-performance applications.

• Construction: Built with Mil-Spec M22759/32 Tefzel wire and genuine Raychem DR-25 heat shrink tubing for superior heat and chemical resistance.
• Transmission Compatibility: Configured for the Honda S2000 transmission.
• ECU Compatibility: Designed for 2002-2004 K-Series wiring architectures and Hondata K-Pro.
• Throttle & Intake: Optimized for K-Series throttle bodies and intake manifold configurations.
• MPN: RY-K2-RWD

Please note that an adapter is required for final chassis integration. This harness replaces the factory engine wiring to provide a clean, reliable connection for your RWD K-swap project.

Fits 2002-2004 Acura RSX with Honda K-Series (K20) engines.

The Rywire Tucked Budget Engine Harness is engineered for drivers who want a clean, professional engine bay aesthetic without the expense of a full mil-spec harness. This harness relocates wiring to a tucked configuration, significantly reducing visual clutter while maintaining the reliability required for both street and track applications.

• Designed specifically for 2002-2004 RSX K20 sensor layouts
• Integrated OBD2 support for diagnostic compliance
• Includes wiring for headlights and Front VSS (Vehicle Speed Sensor)
• High-quality loom construction for heat resistance and durability
• Direct replacement for worn or cluttered factory harnesses
• Manufacturer Part Number: RY-K2-BASE-FRONTVSS

Streamline your engine bay with the Rywire K-Series Tucked Budget Engine Harness (RY-K2-BASE). This harness is engineered for enthusiasts who want a professional, tucked appearance by rerouting wiring away from the top of the engine, providing a cleaner look without the cost of a full Mil-Spec loom.

This specific configuration is built to interface with 2002-2004 Acura RSX (K20) sensors and utilizes an OBD2 connector set. It is designed with the Vehicle Speed Sensor (VSS) located at the firewall for specific swap orientations. To ensure proper integration with your vehicle's interior electronics, this harness must be used in conjunction with a Rywire chassis adapter.

• Manufacturer Part Number: RY-K2-BASE
• Fitment: Configured for 2002-2004 RSX K20 sensors
• Layout: Tucked design for improved engine bay aesthetics
• VSS Location: Firewall-mounted connector
• Connector Style: OBD2
• Note: Requires Rywire chassis adapter for installation

Upgrade your ignition system with the Rywire Coil-on-Plug (COP) harness, specifically engineered for the Acura RSX and Honda S2000. This specialized wiring solution allows for the seamless integration of K-Series coils and is designed to work in conjunction with the T1 Trigger system when utilizing a non-OE, aftermarket standalone ECU.

• Direct integration for K-Series ignition coils on RSX and S2000 platforms
• Engineered for compatibility with T1 Cam Trigger systems
• Requirement: For use with aftermarket standalone ECUs only (Non-OE)
• High-quality loom and connectors for maximum signal integrity
• Manufacturer Part Number: RY-COP-RSX-S2000-COIL-T1

This harness provides a clean, professional wiring solution for high-performance builds requiring precise ignition timing and increased spark energy. It is an essential component for forced induction or high-compression setups where the factory ECU and ignition system are no longer sufficient.

The Rywire RY-COP-IGBT Coil Sub-Harness provides a professional wiring solution for 2-rotor engines being upgraded to high-output IGBT "smart" coils. Specifically designed for use with AEM and IGN-1A style coils, this sub-harness eliminates the need for custom-pinned ignition looms, ensuring reliable signal delivery and high-voltage performance for your rotary ignition system.

• Engine Compatibility: 2-Rotor Rotary Engines
• Coil Compatibility: AEM / IGN-1A IGBT Smart Coils
• Facilitates clean Coil-on-Plug (COP) conversions
• High-temperature resistant wiring and automotive-grade connectors
• Manufacturer Part Number: RY-COP-IGBT

The Rywire RY-COP-CPR-COIL harness is a specialized wiring solution designed for Honda and Acura owners converting to a Coil-On-Plug (COP) ignition system using the Hondata Coil Pack Retrofit (CPR) module. This harness provides the essential link between the CPR unit and the engine's coil sub-harness, replacing the aging distributor-based signal with a modern, high-output ignition configuration.

• Engineered exclusively for use with Hondata ECUs and the Hondata CPR module
• Built with professional-grade, high-temperature looming for superior engine bay durability
• Provides a clean, plug-and-play interface for Rywire COP sub-harnesses
• Ideal for high-RPM or boosted B-series, D-series, and H-series engines requiring precise ignition control
• Manufacturer Part Number: RY-COP-CPR-COIL

Ensure reliable power delivery for your engine swap or build with the Rywire Honda K-Series Charge Harness. This specialized electrical harness replaces the bulky factory charging circuit with a streamlined, high-performance solution. It provides the critical connections between your alternator, starter, and the battery or fuse box, ensuring consistent voltage and dependable starting performance.

Constructed with high-grade, heat-resistant wiring and durable connectors, this harness is built to withstand the rigors of high-performance engine bays while offering a significantly cleaner look than OEM or DIY wiring. It is a vital component for anyone looking to eliminate charging issues and simplify their electrical system during a K-Series swap.

• Designed for Honda K-Series engine configurations
• Provides direct paths for alternator and starter power circuits
• High-quality materials for maximum conductivity and heat resistance
• Simplifies engine bay aesthetics by eliminating redundant factory wiring
• Manufacturer Part Number: RY-CHARGE-HARNESS-K

Fits Honda B-Series and D-Series engines.

The Rywire Honda B/D-Series Charge Harness (RY-CHARGE-HARNESS-B) provides a high-conductivity, reliable connection for your vehicle's charging system. This harness is engineered to replace aged, brittle factory wiring that can lead to voltage drops or inconsistent charging, ensuring your alternator and starter receive the clean power they require.

Built to handle the heat and vibration of a performance engine bay, this harness is a favorite for enthusiasts performing engine swaps or wire tucks. By replacing the bulky original charging circuit, you gain a cleaner aesthetic and more reliable electrical paths for your Honda B or D-series build.

• Compatible with Honda B-Series and D-Series engine platforms
• High-quality wiring and connectors for maximum conductivity
• Reduces electrical resistance compared to worn OEM harnesses
• Designed for easy integration with tucked or modified engine bays
• Manufacturer Part Number: RY-CHARGE-HARNESS-B

Fits 1992-1995 Honda Civic with B-Series engine swaps and 1994-2001 Acura Integra LHD models.

The Rywire RY-B2-OEM engine harness provides a clean, professional solution for replacing aged, brittle, or improperly modified factory wiring. Designed specifically for B-Series engines in the EG Civic and DC Integra chassis, this harness restores electrical integrity to your engine management system. This is a direct OEM-style replacement harness intended for Left-Hand Drive (LHD) vehicles only, ensuring proper reach and connector placement across the firewall.

• Direct OEM replacement for the factory engine harness
• Correctly pinned for B-Series engine configurations
• Compatible with 1992-1995 Civic (EG) and 1994-2001 Integra (DC)
• Built with high-quality connectors and loom for maximum durability
• LHD (Left-Hand Drive) chassis specific fitment
• Manufacturer Part Number: RY-B2-OEM

Fits select Honda B-series engines utilizing 1992-1995 (OBD1) chassis configurations.

The Rywire B-Series OBD2 Tucked Budget Engine Harness (RY-B2-BASE) is engineered for builders seeking a cleaner engine bay aesthetic without the expense of a full Mil-Spec loom. This harness provides a "tucked" layout, routing wires away from the top of the valve cover to showcase the engine, while maintaining high-quality electrical connectivity for critical systems.

• Configuration: Designed for engines using OBD2 distributors, injectors, and alternators.
• ECU Interface: Features 1992-1995 (OBD1) ECU plugs for direct integration with early 90s Honda/Acura electronics.
• Installation Requirement: Requires a chassis adapter for installation to the factory interior wiring.
• Design: Simplified tucked routing for a professional look.
• Part Number: RY-B2-BASE

Constructed to replace brittle, aged factory wiring, this Rywire harness ensures consistent signal delivery to your injectors and ignition components, solving common intermittent wiring issues found in older chassis.

The Rywire B-Series and D-Series OBD1 Tucked Budget Engine Harness (RY-B1-BASE) is engineered for enthusiasts seeking a clean engine bay aesthetic without the complexity of a custom mil-spec loom. This harness relocates unsightly wiring for a "tucked" look while maintaining reliable electrical connectivity for high-performance street and track builds.

Designed for compatibility with OBD1 components, this harness features integrated connectors for the distributor, injectors, and alternator. It utilizes standard 92-95 (OBD1) ECU plugs, making it a direct solution for Honda's golden-era engine management systems. This harness replaces brittle, decades-old factory wiring with a simplified layout for easier engine maintenance and troubleshooting.

• Manufacturer Part Number: RY-B1-BASE
• Engine Compatibility: Honda B-Series and D-Series
• Connector Type: OBD1 Distributor, Injectors, and Alternator
• ECU Interface: 1992-1995 OBD1 style plugs
• Installation Requirement: Requires a chassis-specific adapter for full vehicle integration.

The Rywire 13B Mil-Spec Engine Harness (MPN: RY-13B-HALTECH) provides a professional-grade wiring solution for high-performance 13B rotary engines running Haltech engine management. Constructed using high-temperature Tefzel wire and genuine Raychem heatshrink, this harness is built to withstand the extreme heat cycles of a rotary engine bay while maintaining superior electrical signal integrity.

• Designed specifically for Haltech ECU platforms
• Configured for EV14 primary injectors and Denso 5th/6th secondary injectors
• Pre-wired for Delphi pressure sensors and Bosch knock sensors
• Mil-Spec wiring standards for maximum durability and weight reduction
• Note: This harness requires the RY-13B-SUB-FD sub-harness for installation

The Radium Engineering Fuel Cell Subharness Kit provides a specialized wiring solution for vehicles equipped with a Radium Fuel Cell Surge Tank (FCST) or the modular FCST-X. This subharness is engineered to facilitate a reliable electrical path for internal fuel pumps, managing high-current demands while maintaining the integrity of the fuel cell seal.

By utilizing this kit, installers can ensure organized routing and secure connections within the surge tank assembly, reducing the risk of wiring failure in high-performance environments. It is a direct-fit component designed to integrate seamlessly with Radium’s fuel delivery hardware to provide a professional, leak-free electrical interface.

• Compatible with Radium Engineering FCST and FCST-X surge tanks
• Supports high-current electrical requirements for performance fuel pumps
• Maintains a secure, organized internal wiring layout
• Manufacturer Part Number: 20-0774

The Radium Engineering Adjustable Pressure Switch (MPN 20-0236) is a critical component for enthusiasts and builders needing to automate electrical accessories based on system pressure. This universal switch provides a reliable trigger for secondary fuel pumps, water-methanol injection systems, or dashboard warning lights when specific pressure thresholds are reached.

• Adjustable Activation: Provides the flexibility to fine-tune when your auxiliary systems engage.
• Standard Fitment: Utilizes 1/8" NPT male threads, making it compatible with most aftermarket fuel rails, manifolds, and distribution blocks.
• Electrical Reliability: Designed to handle automotive switching duties in high-performance environments.
• Compact Design: Easily installs in tight engine bays or integrated fuel system assemblies.
• Manufacturer Part Number: 20-0236

Whether you are managing a multi-pump fuel setup or protecting your engine with a low-pressure warning, this Radium Engineering switch offers the precision required for high-stakes automotive applications.

The Radium Engineering internal harness is a dedicated electrical solution designed for a secure connection to Walbro GSS-style fuel pumps. This harness ensures reliable power delivery within the demanding environment of a fuel tank, replacing or upgrading standard wiring that may be prone to failure in high-performance applications.

Constructed with fuel-resistant insulation, this harness features the standard Walbro GSS pump-side connector on one end and terminates in ring terminals on the other. This configuration is ideal for use with aftermarket fuel hangers or custom bulkhead assemblies where stud-and-nut electrical connections are required.

• Compatible with Walbro GSS style fuel pumps
• Includes ring terminal terminations for secure bulkhead mounting
• Designed specifically for submersible, in-tank use
• Optimized for Radium Engineering fuel hangers and custom fuel systems
• Manufacturer Part Number: 17-0051-00