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An 8-Magnet Trigger Collar for Driveshaft Speed Sensing
This is the Haltech driveshaft split collar, sized for a 2.125in (53.98mm) inside diameter shaft and fitted with 8 magnets for speed sensing applications. The split design allows installation onto an existing driveshaft without removing the shaft from the vehicle.
Key Features
- Split collar design for installation without full driveshaft removal.
- 2.125in (53.98mm) inside diameter fit.
- 8 magnets for driveshaft speed sensing.
- Compatible with a magnetic pickup sensor for wheel speed or driveshaft speed input.
Fitment
| Application | Requirements |
|---|---|
| Driveshafts with a 2.125in (53.98mm) outside diameter at the collar mounting location | Requires a compatible magnetic pickup sensor, sold separately, positioned to read the 8 magnets |
Specifications
| Detail | Value |
|---|---|
| Brand | Haltech |
| Inside Diameter | 2.125in (53.98mm) |
| Magnet Count | 8 |
| Design | Split collar |
What's Included
- One Haltech driveshaft split collar, 2.125in/53.98mm I.D., 8 magnet
About Haltech
Haltech designs engine management systems, sensors, and wiring components for performance and race applications, offering driveshaft split collars as a way to add magnetic speed sensing to an existing driveshaft without machining or shaft removal.
FAQ
What inside diameter does this collar fit?
2.125in (53.98mm).
How many magnets does this collar have?
8 magnets.
Does this collar require removing the driveshaft?
No, the split design allows installation onto an existing driveshaft in place.
Is a magnetic pickup sensor included?
No, a compatible magnetic pickup sensor is sold separately and must be positioned to read the magnets on this collar.
What is this collar typically used for?
Driveshaft speed sensing input for engine management or data logging systems.
Will this fit a driveshaft with a different diameter?
No, this collar is sized specifically for a 2.125in (53.98mm) inside diameter. Confirm your driveshaft diameter before ordering.
What material is this collar made from?
Contact Haltech or Black Ops Auto Works for specific material construction details on this collar.
Can this collar be used with a MoTeC or other third party ECU?
Yes, with a compatible magnetic pickup sensor and appropriate speed input configuration, this collar can be used with Haltech, MoTeC, or other systems accepting a magnetic speed input.
Installation Instructions
- Support and secure the driveshaft in a safe position for installation.
- Open the split collar and position it around the driveshaft at the desired sensing location.
- Close and secure the split collar per the manufacturer's fastening method, ensuring it is centered and will not contact surrounding components.
- Mount a compatible magnetic pickup sensor at the correct air gap distance from the collar magnets.
- Route and secure the sensor wiring away from the rotating driveshaft and heat sources.
- Verify the speed signal output before relying on the system for critical measurements.
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