B-Series Harnesses

OBD1 Budget D & B-series Tucked Engine Harness (OBD1 Engine/ OBD1 ECU)

This D-series and B-series compatible wire-tuck engine harness is nearly identical to the Mil-spec engine harness line with the primary differences being the type of wire used, the single white wire color and expandable loom. New Harness NO Core Required

There are quite a few options available. Please look through them carefully to make sure you get the right parts!

OBD2 Budget D & B-series Tucked Engine Harness (OBD2 Engine/ OBD1 ECU)

This D-series and B-series compatible wire-tuck engine harness is nearly identical to the Mil-spec engine harness line with the primary differences being the type of wire used, the single white wire color and expandable loom. New Harness NO Core Required

There are quite a few options available. Please look through them carefully to make sure you get the right parts! *Note due to current backup this harness may have a lead time.

Mil-Spec D & B-Series Tucked Engine Wiring harness

The D-series & B-Series OBD1 Mil-spec wire harness is cross-compatible with both engine types.
This harness uses Mil-Spec Teflon coated wire with a maximum heat rating of 200°C . The Teflon coated wire is loomed with The highest quality Raychem DR-25 heat shrink covering, and adhesive lined wire junctions to keep moisture out. Each connector is crimped with pneumatic heads to ensure an OEM crimp every time, then tagged with a yellow identification labels for easy installation. All heavy interference circuits are protected and grounded with proper wire covering. New Harness NO Core Required

Honda B/D/H/K-Series Charge Harness

This charge harness for the starter and alternator leads. Made to use with D/B/F/H and K series tucked engine harnesses.

RW Ground Kit

Rywire Part# GROUND-KIT
The Rywire ground kit features:
- (1) 4 Gauge 20 inch long battery cable. (ring terminal style)
- (3) 8 Gauge 14 inch long ground wires.

The 3 shorter ground cables can be used for Front and Rear Transmission grounds as well as your Head/Valve cover ground.

AAAll grounds are protected with DR-25 high temp shrink.

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B-series Standalone Race Engine Harness

B-Series Motec engine harness is a universal, fully populated race loom that incorporates all the essential functionality of the fastest Front wheel drive Hondas of today.
Part# B-MOTEC-M130

88-91 Honda Civic/ CRX. 2 point to 4 point engine wiring harness conversion

Also called a Dual to Multi Point Conversion Harness. Required when swapping on a 88-91 Civic/ CRX "DX" Model. For D16, B16A, B17A B18B, B18C and B20 Swaps. Note: Standard harness does include VTEC wiring so if you are not going to be wiring in VTEC you will have a few extra plugs. The harness is however compatible with NON-VTEC motors.

92-95 Civic B-Series Engine Wiring Harness Conversion

This conversion will make your 92-95 Civic compatible with a B-Series or D-Series motor swap. (see more details for further information)

96-00 Civic B-Series & D-Series Engine Wiring Harness Conversion

This plug and play harness conversion will make your 96-00 Honda Civic (EJ/EK/EM) compatible with a B-Series or D-Series engine and OBD1 ECU.

88-91 Civic/ CRX SI B-Series Engine Wiring Harness Conversion

This conversion will make your 88-91 CRX Si/ HF, Civic Si/ EX compatible with a B-Series or D-Series motor swap. When using an OBD1 ECU. (see more details for further information)

Rywire Race Style Chassis Adapter Relay/Fuse Box

Race Style Chassis Adapter Relay/Fuse Box for Ry-Wire B-Series, D-Series and H-Series Tuck Harnesses
Part# RY-V3-SUB-RACE
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Rywire Flying Lead Race (Universal) for B/D/H-Series

Flying Lead Race (Universal) for B/D/H-Series Harnesses Chassis Specific Adapter for Ry-Wire B-Series, D-Series and H-Series Tuck Harnesses
Part# RY-B-SUB-FLY
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96-99 Acura Integra (2A) Chassis Specific Harness Adapter

For Ry-Wire B-Series Budget Tuck Harnesses (OBD1 & OBD2) Part# B-SUB-EG-2A
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Mil-Spec Hondata CPR COP Harness

Mil-Spec coil harness made to use RSX/S2000 "smart" coils and the Hondata CPR kit. This harness is made to match a Mil-Spec engine harness.
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VTEC Pressure Switch Delete Bolt (Titanium)

Titanium bolt (1) is a solution to delete the VTEC Solenoid Oil Pressure switch/sensor. (sold individually)
Part# RY-TI-VTEC-BOLT
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RyWire Chassis Adapter for 96-98 Civic (EK OBD2a)

RW Part# B-SUB-EK-2A
Rywire 96-98 Honda Civic (2A) Chassis Specific Adapter.
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RyWire Chassis Adapter for 92-95 Civic

Rywire 92-95 Honda Civic/Del Sol / 94-95 Acura Integra Chassis Specific Adapter
For Ry-Wire B-Series Budget Tuck Harnesses (OBD1 & OBD2) Part# B-SUB-EG
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RyWire Chassis Adapter for 99-00 Integra

Rywire 00-01 Acura Integra (2B) Chassis Specific Adapter
For Ry-Wire B-Series Budget Tuck Harnesses (OBD1 & OBD2) Part# B-SUB-EG-2B
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Note: These harnesses are warrantied and guaranteed to work, we provide installation support and troubleshooting. However our engine harnesses are non-refundable, returnable or exchangeable. Please make sure that you order the correct wiring harness for your application. If you are unsure of what you need, please contact us before ordering.