Overview The Haltech Driveshaft Split Collar delivers precise speed sensing for your Haltech ECU's traction control, launch control, and data logging systems. This 8-magnet design provides the resolution needed for accurate wheel speed detection in high-performance applications where factory sensors simply can't cope with big power or modified drivetrains. Technical Specifications Part Number: HT-011703 Internal Diameter: 2.187" / 55.55mm External Diameter: 3.385" / 86mm Width: 0.375" / 9.54mm Magnet Count: 8 magnets Construction: Split collar design for easy installation Why You Need This Factory speed sensors are the weak link in any serious performance build. They're positioned at the wheels where they're vulnerable to damage, or they're integrated into ABS systems that get deleted on track cars. The Haltech driveshaft collar solves this by moving speed sensing to a protected location on your driveshaft, giving your ECU clean, reliable signals for advanced functions like traction control and launch control. The 8-magnet configuration provides excellent resolution for precise speed detection, crucial for responsive traction control systems on high-powered RWD builds. We see this particularly on LS-swapped drift cars, big-turbo Supras, and circuit-prepped BMWs where accurate speed sensing makes the difference between progressive power delivery and catastrophic wheel spin. The split collar design means installation without driveshaft removal — critical for cars with custom propshafts or limited access. ECU & System Compatibility Compatible with all Haltech Elite ECUs (550, 750, 1000, 1500, 2000, 2500) and Nexus R3/R5 systems when configured with the appropriate speed sensor input. Works seamlessly with Haltech's traction control and launch control strategies, plus provides clean speed data for logging and analysis through NSP software. What's in the Box Haltech driveshaft split collar with 8 embedded magnets Mounting hardware and alignment guides Installation instructions with wiring specifications Complete Your Build Most customers fitting this collar also need the matching Hall effect speed sensor and appropriate wiring harness extensions. Our technical team can recommend the complete speed sensing package for your specific driveshaft diameter and ECU setup. With UK stock held at Billy's, we can supply the complete kit with same-day despatch, plus our installation service ensures proper sensor positioning and ECU calibration for reliable operation from day one.
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