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What Makes a Motorsport Wiring Harness “Mil-Spec”?
Performance Wiring Loom Tefzel Wire

Wondering what “Mil-Spec” really means when it comes to race car wiring? This article breaks down the key features of a true Mil-Spec Tefzel wiring harness—from M22759 wire and professional-grade crimping to labelled wires and sealed connectors. If you’re chasing reliability, durability, and performance, this is why Mil-Spec matters.
5 Reasons to Ditch Standard Wiring and Upgrade to a Tefzel Loom
Motorsport Loom Performance Wiring Loom PVC vs Tefzel Race Car Wiring Tefzel Tefzel Loom Wiring Loom Upgrade

Upgrade your race car with a Tefzel motorsport loom. Discover why ETFE wiring outperforms PVC and TXL in reliability, weight, heat resistance, and performance.