QR-04 with Electrical Data Connector

This collection contains QR-04 series quick‑release steering wheel couplers with integrated electrical data connectors for motorsport and professional automotive use. Available configurations include male and female large‑diameter couplings, 22‑pin data connector variants and options with a 19.05 mm internal diameter shaft interface. Items cover hub and boss fittings, plug and socket assemblies and versions intended for wheel‑mounted multi‑pin wiring.

Select a coupling that matches your hub spline or shaft diameter and the required pin count; 22‑pin units accommodate comprehensive vehicle and telemetry wiring. Confirm orientation, locking method and wiring pinout prior to installation. These components are intended for workshop fitting by trained technicians—adhere to vehicle manufacturer torque settings, correct wiring practice and regular inspection to maintain electrical continuity and mechanical security.