Hard Wired Motorsports Wolf EMS V550 Tefzel Loom photo
Hard Wired Motorsports Wolf EMS V550 Tefzel Loom photo
Hard Wired Motorsports Wolf EMS V550 Tefzel Loom photo
Hard Wired Motorsports Wolf EMS V550 Tefzel Loom photo
Hard Wired Motorsports Wolf EMS V550 Tefzel Loom photo

Tefzel Wire-in Harness for Wolf EMS

Regular price $499.00 $0.00 Unit price per
Shipping calculated at checkout.
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🔥 TEFZEL Flying Lead Wiring Harness

Motorsport-Grade | Lightweight | Heat-Resistant

  • ✅ Built with Genuine M22759/16 Tefzel Wire
  • ✅ Motorsport & Aerospace-Grade Reliability
  • ✅ Lightweight | Heat & Fuel Resistant | Ultra-Durable
  • ✅ Ideal for Race Cars, Track Cars, Off-Road, Performance Builds

🛠️ Product Description

This is not your average wire harness. Built using genuine Tefzel (M22759/16) mil-spec wire, this flying lead loom is designed for harsh motorsport environments. Whether you're wiring up an ECU, sensors, switch panel, or standalone system, this loom delivers professional-grade reliability for serious performance builds.

PVC looms? That’s yesterday’s tech. This is how top-tier race teams build looms.


⚙️ Specifications

  • Wire Type: M22759/16 Tefzel (Mil-spec)
  • Conductor: Tinned copper
  • Insulation: Radiation-crosslinked ETFE
  • Temp Rating: Up to 150°C
  • Resistance: Fuel, oil, heat, abrasion, solvents
  • Loom Ends: Flying leads – ready for termination
  • Length: 2.5m (Longer runs can be made. Contact us)
  • Wire Count: Fully populated to aftermarket ECU spec
  • Gauge: Pinned to match ECU spec

✅ Tefzel vs TXL vs PVC – Why It Matters

Feature Tefzel (M22759/16) TXL Wire PVC Wire
Insulation Type Crosslinked ETFE Crosslinked Polyolefin Standard PVC
Temp Rating Up to 150°C Up to 125°C ~85–90°C
Chemical Resistance ✔ Excellent ✔ Good ❌ Poor
Weight ✔ Ultralight ✔ Lightweight ❌ Heavy
Durability / Vibration ✔ High – Motorsport-grade ✔ Good ❌ Low
Motorsport Use ✔ F1 / WRC / Aerospace ⚠ Common in mid-tier builds ❌ Not recommended
Cost 💸 Premium 💰 Mid-range 💵 Low

💡 Perfect For:

  • Standalone ECU installs (Haltech, Link, Motec, MaxxECU, etc.)
  • Custom switch panels & fuse blocks
  • Engine bay rewires
  • CANbus / sensor looms
  • Racing, off-road, track, drift, time attack

📦 What You Get:

  • Pre-built flying lead Tefzel loom
  • CAM, Crank and Knock cables using Shielded M27500 wire
  • EGT wires (if applicable), using K-Type Impreg Fibreglass Thermal wire
  • Color coded and wire spec pin sheet to suit ECU
  • **No Comms cable included**

📞 Questions? Custom Orders?

Need something longer, pinned, or terminated? Message us — we build to spec!

🧰 Built Right. Built to Last. Choose Tefzel – Because Your Build Deserves the Best.