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West Ridge Calibration & Wiring is the West Coast's dedicated specialist for standalone engine management integration, custom motorsport harness fabrication, and performance fuel system design. We work with builders, racers, and enthusiasts who demand reliable, race-proven electronics that perform when it matters most. Whether you are running a grassroots track car, a dedicated drag build, or a high-horsepower street machine, we provide the engineering expertise to make your electrical system clean, dependable, and built to last.

As an authorized MaxxECU dealer and a full-line Link ECU partner — covering the G4X and G5 series — we help you select the right engine control unit for your platform and goals. Port-injection engines pair naturally with the Link G4X line, while direct-injection and combined port/DI setups benefit from the advanced G5 architecture. Our calibration services cover fuel mapping, ignition timing, boost control, flex-fuel integration, and drive-by-wire configuration across both Swedish and New Zealand ECU platforms.

Beyond ECU selection and tuning, we fabricate custom motorsport-grade wiring harnesses using premium materials and uncompromising assembly standards. Every harness is designed for your specific chassis and engine combination, with proper branch routing, shielding, and connector selection. We also offer complete fuel system solutions — from individual high-impedance injectors to high-flow in-tank pumps — and ZF 8HP transmission conversion packages that integrate standalone TCU control with your existing engine management. For builders who want to be hands-on, our DIY Harness Layout Kit provides the templates, materials, and guidance to design your own harness schematic before we handle the final build.