Supra MK4 JZA80 2JZ Engine Harness
Custom-built engine wiring harness designed for MK4 Supra 2JZ platforms. Built in-house, one at a time, for standalone ECUs and modern engine management.
- Plug and play installation for MK4 Supra chassis
- Supports aftermarket ECUs only
- Full gauge functionality (tach, speedo, CEL, coolant temp)
- OEM A/C, power steering, and dual fan support
- High-temperature, motorsport-grade wiring materials
- Turn-key engine start guarantee
- OEM-style fit and routing
- 8HP Compatible
- Milspec Connector
- High-quality automotive-grade wiring
- Future expandability in mind
Why Choose SVK
Unlike modified factory looms, every SVK harness is built new from the ground up using modern materials, tested for continuity, and designed for long-term reliability. This makes it the ideal solution for high-quality street, track, and performance Supra builds.
Starting at $1,199
Harness Cost Calculator
Estimated Total: $1500