OBD1 Engine Harness – Universal B / D / H-Series | Complete Swap Kit | VTI StreetSpec

VTI StreetSpec OBD1 Complete Swap Kit – Universal Honda B / D / H-Series

Not locked into one chassis. The VTI StreetSpec Universal Complete Swap Kit is the most comprehensive drop-in wiring solution we offer — everything you need to power, ground, and run your Honda engine in any application, fully curated in one package.

Built in-house using TXL automotive-grade wire, finished in FR expandable loom and SCL-style heat shrink. No Tessa tape. No budget shortcuts. Every kit ships ready to install.

What's Included in Every Universal Complete Kit

• VTI StreetSpec OBD1 Engine Harness (Universal B / D / H-Series)
• Universal Chassis Fuse & Relay Essentials Box — pre-wired, ready to integrate into any chassis
• Charge Cable — GXL automotive-grade wire, SCL heat shrink terminated
• Ground Cable Kit — GXL automotive-grade wire, multi-point, motorsports spec termination

What's Built Into Every StreetSpec Harness

• OBD1 ECU configuration — P28 / P30 / P72 compatible
• Clean, optimized branch layout per VTI routing standards
• Pre-wired boost control solenoid lead (ECU output ready — no splicing)
• Pre-wired no-splice wideband input lead
• Injector, distributor, and sensor connections fully terminated
• 20-pin universal chassis interface
• FR expandable loom throughout — no Tessa tape, no budget filler
• SCL-style heat shrink at all transitions and terminations
• Clearly labeled connections for a confident, straightforward install

Available Base Configurations

• B-Series (standard)
• D-Series (standard)
• H-Series (optional)

Adjustments Available — No Main Loom Rework Required

• Connector end changes (injectors, sensors, etc.)
• Coil-on-plug integration
• Sensor branch removal (factory wideband, unused emissions)
• Minor routing refinements

Need a full custom layout? See our Mil-Spec harness options.

How It Works

After purchase, you'll complete our Build Confirmation Form. This locks in your exact ECU, sensor, and engine configuration before your kit ships — built ahead, finished for your setup, ready to install.