The Rywire Honda Prelude (US Spec) OBD2 to OBD1 Distributor Adapter provides a professional-grade, plug-and-play solution for engine management conversions. This jumper harness allows you to interface an OBD1 distributor with your vehicle's factory OBD2 chassis harness, eliminating the need for cutting, splicing, or re-pinning the ignition circuit.

• Specifically engineered for US-spec Honda Prelude models
• Facilitates seamless OBD1 ECU conversions and distributor swaps
• Constructed with high-quality automotive connectors for a secure, vibration-resistant fit
• No wire modification required for installation
• Manufacturer Part Number: RY-DIS-PRELUDE-2-1

Ideal for enthusiasts performing H-series swaps or moving to a tunable OBD1 platform, this Rywire adapter ensures clean signal delivery and long-term reliability for your ignition system.

The Rywire OBD2 10-pin to OBD2 8-pin Distributor Adapter (RY-DIS-2-2-10-PIN-8-PIN) provides a reliable, plug-and-play solution for integrating different OBD2 distributor configurations. This adapter is engineered to bridge a chassis harness using a 10-pin connector to a distributor featuring an 8-pin plug, ensuring seamless communication between the ignition system and the engine harness.

• Direct Plug-and-Play: Eliminates the need for cutting, soldering, or splicing factory wiring during installation.
• Professional Construction: Features high-quality automotive-grade wiring and precision pinning for consistent, interference-free signal delivery.
• OEM-Spec Connectors: Uses standardized 10-pin and 8-pin OBD2 housings for a secure, click-lock fit that resists vibration.
• MPN: RY-DIS-2-2-10-PIN-8-PIN

Avoid the risks of hand-crimped or poorly insulated harness modifications and ensure your ignition system receives a clean signal with this purpose-built adapter.

The Rywire OBD2 8-Pin to OBD1 Distributor Adapter provides a reliable, plug-and-play solution for connecting an OBD1 distributor to a vehicle equipped with an OBD2 8-pin chassis harness. This conversion harness is a staple for Honda and Acura enthusiasts performing engine swaps or ignition system upgrades where maintaining wiring integrity is a priority.

By using this adapter, you avoid the need for cutting, pinning, or splicing into your factory engine harness, ensuring a clean installation that can be easily reversed if necessary. Built with high-grade materials and OEM-style connectors, it maintains signal continuity for critical ignition and RPM data.

• Function: Adapts an OBD2 8-pin chassis connector to an OBD1 distributor
• Installation: Direct plug-and-play jumper harness
• Build Quality: Professional-grade wiring with secure, weather-tight connectors
• Part Number: RY-DIS-2-1-8-PIN

The Rywire OBD2 10-Pin to OBD1 Distributor Adapter (MPN: RY-DIS-2-1-10-PIN) provides a reliable, plug-and-play solution for engine swaps and ignition system conversions. This adapter bridges the gap between an OBD2 chassis harness equipped with a 10-pin distributor plug and an OBD1 distributor, eliminating the need for cutting, pinning, or splicing into the factory electrical system.

• Connects a 10-pin OBD2 chassis harness to an OBD1 distributor
• Plug-and-play installation preserves the integrity of the factory engine harness
• Constructed with OE-style connectors and high-grade automotive wiring for maximum conductivity
• Essential for specific Honda and Acura engine swaps and ignition upgrades
• Manufacturer Part Number: RY-DIS-2-1-10-PIN

The Rywire OBD1 to OBD2 8-pin distributor adapter provides a reliable, plug-and-play solution for engine swaps and harness conversions. This jumper harness is specifically engineered to bridge the gap between an OBD1 engine harness and an OBD2 8-pin distributor, eliminating the need for cutting, splicing, or depinning factory connectors.

• Manufacturer Part Number: RY-DIS-1-2-8-PIN
• Compatibility: Connects OBD1 (1992-1995) engine harnesses to OBD2 8-pin distributors
• Construction: Built with high-quality automotive-grade wiring and OEM-style locking connectors
• Installation: Direct fitment with no modifications required to the factory wiring
• Reliability: Ensures consistent ignition signal and voltage for high-performance Honda and Acura applications

The Rywire OBD1 to OBD2 10-pin distributor adapter provides a reliable, plug-and-play solution for connecting an OBD2 distributor to an OBD1 engine harness. This harness is a critical component for engine swaps or ignition system upgrades, allowing for a clean installation without the risks associated with cutting, splicing, or re-pinning the factory wiring loom.

• Converts OBD1 engine harness to accept an OBD2 10-pin distributor
• True plug-and-play design for a secure, professional installation
• High-quality terminals and connectors ensure a consistent ignition signal
• Maintains harness integrity by eliminating the need for wire soldering
• Manufacturer Part Number: RY-DIS-1-2-10-PIN

The Rywire OBD0 to OBD1 Distributor Adapter provides a seamless plug-and-play solution for integrating an OBD1 distributor into an OBD0 chassis. This conversion harness is a critical component when performing an OBD1 ECU swap or engine conversion on late 1980s and early 1990s Honda or Acura models.

Constructed with high-quality automotive-grade wiring and durable OE-style connectors, this adapter allows for a direct connection without the need for cutting or splicing the factory wiring harness. It ensures a reliable, high-fidelity ignition signal to maintain precise timing and engine performance. This harness is designed for enthusiasts who prioritize a clean engine bay and a reversible installation process.

• Converts OBD0 chassis wiring to accept an OBD1 distributor
• Direct plug-and-play installation for a clean, secure connection
• Reduces the risk of wiring errors associated with manual splicing
• Manufacturer Part Number: RY-DIS-0-1

The Rywire Flying Lead Race Adapter (RY-B-SUB-FLY) provides a universal solution for integrating a Rywire B, D, or H-Series engine harness into a custom race chassis or non-standard vehicle. This sub-harness adapter eliminates the need for chassis-specific plugs, offering open "flying leads" that can be hard-wired directly into your power distribution module (PDM), fuse block, or custom switch panel.

• Universal Integration: Designed to mate Rywire B/D/H-series engine harnesses to any custom chassis wiring setup.
• Labeled Leads: Each wire is clearly identified to streamline the installation process and ensure accurate signal routing for power, ground, and ignition triggers.
• Race-Grade Construction: Built with high-quality automotive-grade wiring to withstand the vibrations and thermal demands of a motorsport environment.
• Manufacturer Part Number: RY-B-SUB-FLY

Whether you are building a dedicated track car with a simplified electrical system or performing a swap into a chassis without a pre-made Rywire adapter, this flying lead harness provides the professional connection points required for a clean and reliable install.

Fits 1999-2000 Honda Civic models with the "2B" chassis-side connector configuration. The Rywire chassis-specific adapter (RY-B-SUB-EK-2B) provides a professional, plug-and-play solution for integrating your engine harness into the factory chassis electrical system. Specifically designed for late-model EK chassis, this adapter eliminates the need for manual wire-tapping or custom pinning, ensuring a clean and reliable connection that maintains signal integrity for sensitive electronics.

• Engineered specifically for 1999-2000 Honda Civic (OBD2b) chassis platforms
• Direct-fit interface for chassis-to-harness connections
• High-grade wiring and OE-style connectors for maximum durability and heat resistance
• Simplifies complex wiring for engine swaps and aftermarket harness upgrades
• Manufacturer Part Number: RY-B-SUB-EK-2B

Fits 2000-2001 Acura Integra.

The Rywire Chassis Specific Adapter (2B) is a specialized wiring solution designed to bridge the gap between your engine harness and the factory chassis wiring. Built to meet the needs of late-model DC2 owners, this adapter ensures a clean, professional integration without the need for destructive wire splicing or pin-out modifications. It is an essential component for those performing engine swaps or harness replacements who demand electrical reliability and a factory-standard finish.

• Specifically engineered for the 2000-2001 Acura Integra (OBD2B) chassis
• High-quality automotive-grade connectors for secure, vibration-resistant fitment
• Simplifies the connection between engine and cabin electronics
• Durable looming for heat and abrasion resistance
• Manufacturer Part Number: RY-B-SUB-EG-2B

Fits 1990-1991 Honda Civic and CRX (DX and STD trim levels).

The Rywire chassis-specific adapter is an essential component for EF enthusiasts performing engine swaps or wiring refreshes. Designed specifically for the late-model 1990-1991 DX and Standard (STD) trim chassis, this adapter ensures a clean, reliable interface between the vehicle's cabin harness and the engine harness. By utilizing high-grade automotive-spec wiring and factory-style connectors, this sub-harness eliminates the need for messy wire splicing and potential failure points.

• Direct fit for 1990-1991 Honda Civic/CRX DX/STD chassis
• High-quality automotive grade wiring and loom
• Precision-engineered connectors for a secure, moisture-resistant fit
• Streamlines engine swap wiring and electrical troubleshooting
• Manufacturer Part Number: RY-B-SUB-EF-DX-LATE

Fits 1988-1989 Honda Civic and CRX DX or STD trim models.

The Rywire RY-B-SUB-EF-DX-EARLY Chassis Specific Adapter is a professional wiring solution for early EF chassis owners performing engine swaps. This adapter facilitates a clean, reliable connection between an updated engine harness and the factory vehicle cabin harness, specifically for vehicles originally equipped with Dual Point Fuel Injection (DPFI).

• Specifically designed for 1988-1989 Honda Civic and CRX (DX/STD trims).
• Ensures proper pin-to-pin continuity for critical engine and chassis signals.
• Constructed with high-grade automotive-spec connectors and wiring.
• Eliminates the need for destructive cutting or splicing of the factory dash harness.
• Manufacturer Part Number: RY-B-SUB-EF-DX-EARLY

Fits 1988-1991 Honda Civic and CRX (Si, HF, and EX models).

The Rywire Chassis Specific Adapter (RY-B-SUB-EF) is a precision-engineered wiring solution designed to bridge the connection between your engine harness and the factory chassis harness. Specifically tailored for the EF-generation Honda Civic and CRX, this adapter eliminates the need for tedious manual repinning or cutting into your vehicle's factory wiring during engine swaps or harness replacements.

• Direct plug-and-play interface for Si, HF, and EX chassis.
• Uses high-quality OE-spec connectors for a secure, vibration-resistant fit.
• Simplifies engine swap wiring by maintaining clean, factory-like integration.
• Designed for durability in high-performance automotive environments.
• Manufacturer Part Number: RY-B-SUB-EF

The Rywire Alternator Adapter (RY-ALT-OBD1-OBD2) offers a reliable, plug-and-play solution for converting your vehicle's charging system. This jumper harness allows you to install a newer OBD2 alternator into a chassis originally wired for OBD0 or OBD1 configurations without the need for permanent modifications to your factory electrical system.

• Application: Adapts OBD0 or OBD1 chassis harness to an OBD2-style alternator plug
• Installation: Full plug-and-play design requires no cutting, stripping, or soldering of wires
• Construction: Built with high-quality automotive-grade connectors and terminals to ensure a secure electrical connection
• Reliability: Maintains charging system integrity by using professional-grade pinning and loom
• MPN: RY-ALT-OBD1-OBD2

By using this Rywire adapter, you ensure a clean installation for engine swaps or alternator upgrades, providing a secure connection that withstands the heat and vibration of the engine bay.

The Rugged Radios NMO-MT-15 provides a reliable, high-signal-integrity connection for your mobile radio system. This 15-foot coaxial cable offers the necessary length for routing from roof, fender, or bumper mounts to your radio unit while minimizing signal loss in off-road and race environments.

Equipped with a standard 3/8-inch NMO (New Motorola) mount, this cable is compatible with a wide range of mobile antennas. The NMO mounting style is preferred by specialists for its low-profile footprint and the ability to create a weather-resistant seal when installed directly through a vehicle body panel or on a dedicated mounting bracket.

• Manufacturer Part Number: NMO-MT-15
• Length: 15 Feet
• Mount Interface: 3/8" NMO style
• Cable Type: Shielded coaxial for RF interference reduction
• Compatibility: Universal fitment for NMO-style mobile antennas

Ensure high-fidelity audio and reliable communication with the Rugged Radios STX STEREO Straight Cable. This 16-foot cable (CS-STX-16) is designed to connect your headset directly to an STX-compatible intercom system, offering a secure, interference-free link for off-road or racing environments.

• Series: STX STEREO
• Length: 16 Feet (4.88m)
• Cable Type: Straight (non-coiled) for clean routing through chassis or cages
• Shielding: Enhanced noise-canceling shielding to prevent RF interference
• MPN: CS-STX-16

The 16-foot length is ideal for larger vehicle platforms or custom seating arrangements where standard cables cannot reach. Its straight-jacket design prevents the tension and tangling often associated with coiled cables, making it a preferred choice for permanent installations.

Ensure clear, reliable communication in your off-road vehicle with the Rugged Radios OFFROAD series straight cable. This 16-foot cable is engineered to connect your helmet kit or headset directly to your intercom system, providing the necessary reach for rear passengers or custom mounting configurations in UTVs, sand rails, and trophy trucks.

• Length: 16 Feet (4.8 meters)
• Configuration: Straight cable for simplified routing
• Connector Type: Industry-standard OFFROAD (Nexus style) plug
• Construction: High-quality shielding to minimize RF interference and engine noise
• Compatibility: Fits Rugged Radios OFFROAD intercoms and most standard off-road communication systems
• Manufacturer Part Number: CS-OFF-16

Built to withstand the vibration and environmental demands of off-road racing, this cable utilizes a durable outer jacket and heavy-duty connectors to maintain a secure connection through the roughest terrain.

Increase the reach of your communication system with the Rugged Radios OFFROAD Headset or Helmet Extension Coiled Cable. Designed for the demanding environments of trophy trucks, UTVs, and trail rigs, this extension provides the extra length needed between your intercom or radio and the user's headset or helmet kit.

The CC-OFF-EXT features a durable coiled design that expands when needed and retracts to manage slack, preventing cable tangles and interference with vehicle controls. Built with high-duty cycle connectors, it ensures a reliable signal path for clear voice transmission in high-vibration settings.

• Product Type: Off-road communication extension cable
• Design: Coiled cable for tension relief and organized cable management
• Compatibility: Rugged Radios and other industry-standard "Offroad" plug headset/helmet systems
• Manufacturer Part Number: CC-OFF-EXT

The Nitrous Express NX Digital RPM Window Switch (MPN: 18959) provides essential electronic protection for your engine and nitrous system. By defining a precise window of activation, this controller ensures nitrous only flows when the engine is within a safe, power-producing RPM range. This prevents the high-stress lean conditions that occur during low-RPM activation and automatically shuts off the system before you hit the factory rev limiter.

This modern digital design replaces outdated mechanical "pills" or RPM chips. The unit features an integrated display and interface that allows you to set high and low RPM points quickly and easily at the track without needing a laptop or external tuning hardware. It is compatible with virtually all ignition types, including distributor-based, DIS, and coil-on-plug systems.

• Fits all ignition types with no RPM chips or pills required
• Digital interface for rapid adjustment of activation and cut-off points
• Protects engine by preventing activation at low RPMs
• Integrated over-rev protection shuts off nitrous before the rev limiter
• Stand-alone operation with no laptop connection required
• Manufacturer Part Number: 18959

The Nitrous Express TPS Voltage Sensing Full Throttle Activation Switch (MPN 15961) provides a precise, electronic solution for triggering your nitrous system. This advanced switch monitors the throttle position sensor (TPS) voltage and activates the system only when it reaches a preset Wide Open Throttle (WOT) level. The integrated Auto-Learn feature simplifies the installation process by configuring the WOT voltage threshold with the simple push of a button, ensuring accuracy without manual voltmeter calibration.

Constructed for professional-grade reliability, this electronic switch includes built-in short-circuit protection to prevent electrical damage. It is a complete kit designed for seamless integration into your vehicle's existing electrical system to ensure consistent nitrous delivery every time you hit full throttle.

• Manufacturer Part Number: 15961
• Auto-Learn Function: Simplifies setup by automatically detecting WOT voltage
• Safety: Built-in protection against short circuit damage
• Activation: Precise voltage sensing for consistent triggering
• Includes: Adjustable switch module, relay, wiring harness, and all necessary installation hardware

The Nitrous Express EFI Fuel Pressure Safety Switch (MPN 15718) acts as a critical fail-safe for your engine, preventing catastrophic lean conditions by monitoring fuel delivery in real-time. This switch is designed to automatically interrupt the nitrous solenoid circuit if fuel pressure drops below a user-adjustable set point, ensuring your system only operates when there is adequate fuel to support the nitrous charge.

Included with this switch is a precision-machined billet aluminum manifold. The manifold features 4AN fittings to allow for a clean, professional in-line installation with your existing fuel system hardware. Whether you are running a dry or wet EFI nitrous setup, this safety switch provides the peace of mind needed when pushing your vehicle to its limits.

• Function: Automatically shuts off nitrous flow if fuel pressure drops below the set point
• Adjustability: User-adjustable pressure threshold for precise system tuning
• Manifold: Includes a billet aluminum 4AN manifold for simplified in-line mounting
• Application: Optimized for EFI (Electronic Fuel Injection) nitrous systems
• Manufacturer Part Number: 15718

Monitor your vehicle's vital fluid levels with precision using the Nitrous Express Nitrous Pressure Sensor. This electronic pressure transducer is engineered to provide accurate, real-time data for your nitrous or fuel delivery system, ensuring your engine remains within its safe operating window during high-performance runs.

• Measurement Range: 0-100 PSI
• Compatible with Nitrous Express gauges and data logging equipment
• Designed to withstand high-vibration automotive environments
• Standard threaded connection for easy installation into manifold or fuel rail ports
• Manufacturer Part Number: 15544

Monitor and manage your nitrous system with precision using the Nitrous Express 0-5V Nitrous Pressure Sensor. Engineered with a working range of 0-1600 PSI, this high-accuracy sensor integrates with the Max 5 controller to provide real-time monitoring and data logging of bottle pressure.

When utilized with a Max 5 controller, this sensor allows for automated bottle heater management. You can program specific PSI setpoints to trigger your bottle heater, ensuring optimal pressure before a run. Additionally, the sensor enables safety lockouts to prevent nitrous engagement if the bottle pressure is too high or too low based on your adjustable limits.

• Pressure Range: 0-1600 PSI
• Signal Output: 0-5V
• System Integration: Compatible with NX Max 5 for data logging and heater control
• Safety Features: User-adjustable high/low pressure lockout capability
• Manufacturer Part Number: 15533

Includes: 0-1600 PSI sensor and a 3-wire pigtail harness.

The Nitrous Express Wide Open Throttle (WOT) Switch is a critical safety and performance component designed to ensure your nitrous system only activates when the engine is at full throttle. By providing a precise mechanical trigger, this switch prevents the system from engaging at partial throttle or low RPMs, protecting your engine from backfires and potential intake manifold damage.

• Provides reliable 100% throttle activation for nitrous oxide systems
• Durable mechanical micro-switch design for consistent performance
• Universal mounting bracket included for adaptable installation
• Includes all necessary mounting bolts and hardware
• Manufacturer Part Number: 15524

This kit includes the micro-switch, a sturdy mounting bracket, and the required hardware to secure the assembly to your throttle body or linkage. It is a direct replacement or upgrade for existing nitrous setups requiring a mechanical activation point.

The Nitrous Express 15516 Wide Open Throttle (WOT) Switch is a critical safety and activation component for nitrous oxide systems. This switch ensures that nitrous is only injected when the engine is at full throttle, preventing the risk of engine damage or backfires that can occur during partial-throttle operation.

As a genuine Nitrous Express replacement part, this switch features a durable snap-action mechanism designed to withstand the vibration and heat of a performance engine bay. This listing is for the individual switch component, making it an ideal choice for racers who need to replace a worn unit or those building a custom activation circuit.

• Manufacturer Part Number: 15516
• Switch Type: Wide Open Throttle (WOT) activation
• Function: Normally open, completes circuit at full throttle
• Component: Switch only (no relay, bracket, or hardware included)

Ensure consistent, high-current power delivery to your performance accessories with the Nitrous Express 40 Amp Heavy Duty Relay. This relay is designed to isolate high-draw components like nitrous solenoids, fuel pumps, and high-flow cooling fans from your sensitive trigger switches, preventing voltage drop and protecting your vehicle's factory wiring.

This kit includes a pre-wired 5-wire plug-in connector harness, allowing for a clean, professional installation and making the relay easily replaceable if needed. Whether you are wiring a new nitrous system or upgrading existing automotive electronics, this 40A relay provides the durability and reliability required for demanding racing and performance applications.

• Rating: 40 Amp heavy-duty switching capacity
• Wiring: Includes 5-wire plug-in pigtail harness
• Connection: Secure plug-in connector for easy serviceability
• Manufacturer Part Number: 15515

Centralize your vehicle's 12V power management with the Nacho Lighting 8-Switch Auxiliary Accessory Control System. This unit provides a comprehensive solution for managing multiple high-draw accessories—such as LED light bars, auxiliary pods, and onboard compressors—from a single, organized interface. By consolidating your wiring into a central hub, you eliminate the need for cluttered individual fuse holders and complex under-dash routing.

Built to withstand the rigors of off-road and overland use, this system ensures a clean installation while providing reliable circuit protection for your aftermarket electronics. The Nacho Lighting control system is an essential upgrade for any build requiring precise control over multiple auxiliary circuits.

• 8-switch configuration for extensive accessory management
• Centralized power distribution hub simplifies 12V wiring
• Reduces under-hood clutter and improves system reliability
• Manufacturer Part Number: NAC11SW

The Nacho Lighting NAC11N is a heavy-duty 40-amp vehicle wiring harness engineered to provide reliable power management for high-output auxiliary lighting systems. Designed for enthusiasts requiring independent control of multiple light sources, this harness simplifies installation by providing a pre-terminated solution that handles the electrical load of high-draw LED or HID units.

• Dual Circuit Control: Features dual switches and dual relays, allowing you to manage two separate lighting zones independently from the cab.
• High-Current Capacity: Rated for a maximum of 40 amps, ensuring stable power delivery without risking damage to your vehicle's factory electrical system.
• Component Protection: Integrated relays isolate the high-amperage draw from your dashboard switches, preventing overheating and extending switch life.
• Plug-and-Play Design: Includes necessary leads and hardware for a clean, professional-grade installation in any vehicle application.
• Part Number: NAC11N

The Hella H35394001 is a precision-engineered 12V 3-pin dual rate buzzer designed for reliable signal management and audible feedback in automotive electrical systems. Built to manage critical functions like central locking, lighting alerts, and engine cooling fan engagement, this component provides the rock-solid reliability required for demanding vehicle environments.

• Operating Voltage: 12V DC for universal compatibility with modern electrical systems.
• Dual Rate Functionality: Provides consistent audible signaling and circuit switching.
• Circuit Protection: Integrated resistor or diode suppression minimizes electromagnetic interference (EMI) and protects sensitive electronic modules from voltage spikes.
• Standardized Connector: Features a universal 3-pin configuration for simplified installation and direct replacement of factory units.
• Environmental Resilience: Engineered to maintain performance across a wide operating temperature range, ensuring durability in extreme conditions.
• High-Current Reliability: Designed for consistent switching of high-current circuits without performance degradation.
• Manufacturer Part Number: H35394001

This Hella 24V 5-pin timer relay (996152141) provides a precise switch-off delay, allowing electrical components to remain powered for a set duration after the ignition is turned off. Built on decades of OE manufacturing experience, this relay is engineered for reliability in heavy-duty and commercial 24V systems, managing critical circuits for cooling fans, lighting systems, and engine control units.

• Switch-Off Delay Function: Keeps fans, lights, and other accessories active post-ignition to assist in cooling and controlled power-down.
• Heavy-Duty Construction: Features a robust, vibration-resistant housing designed to maintain stable performance in demanding automotive and off-road environments.
• OE-Quality Standards: Manufactured by Hella to meet rigorous international standards for electrical components.
• Certified Compliance: Complies with RoHS (2002/95/EC) and REACH standards.

Technical Specifications:

• Operating Voltage: 24V
• Pin Configuration: 5-Pin
• Relay Type: Time Delay (Switch-off delay)
• Manufacturing Certifications: DIN EN ISO 9001:2008, ISO/TS 6949:2009, ISO 14001
• Manufacturer Part Number: 996152141