Custom Full Engine Harness – Mil-Spec Build with OEM Connectors | B/D/H/F/K-Series

Mil-Spec Street-Spec Main Harness – OEM Connectors | Tefzel M22759/32 | ATUM Heat Shrink

Short Description:

Lightweight mil-spec main harness using M22759/32 Tefzel wire, expandable loom, and OEM connectors for clean, high-performance street builds.

Full Description:

The Mil-Spec Street-Spec Main Harness from VTEC Innovations is designed for high-end street and track use, combining military-grade materials with OEM fitment and street-friendly routing.

Each harness is built by hand using:

• M22759/32 Mil-Spec Tefzel wire – ultra-lightweight, high-temperature, and chemical-resistant for extreme engine bay conditions

• High-temp expandable braided loom – flexible and sleek for a clean, abrasion-resistant finish

• Raychem ATUM 3:1 adhesive-lined heat shrink – seals connections with OEM-grade strength and durability

• OEM-spec connectors and terminals – ensures plug-and-play reliability without compromise

Ideal for customers who want motorsport-tier quality without deleting street comfort, this harness supports both N/A and boosted setups.

Customize your order:

• OBD1 or OBD2 pinout

• Tucked or OEM-style routing

• Optional fan, fuel, or sensor extensions

Built to your exact spec, fully tested and ready to run. Hand-crafted in the USA.

🔧 After checkout, complete your build intake form here:

👉 Click here to submit your custom harness specs