Availability
Speedhut SPEEDBOX
4 Customer Reviews
Quick Product Overview:
* Requires only 12-volts and ground
* Plug-n-Play installation
* Drive Output Thread is 7/8 in.-18
* Drive Output Square is 0.112 in.
* Can be calibrated to 170-1,650 turns/mile
* Default calibrated for US speedometers @ 1,000 turns/mile
Drive your mechanical speedometer using any of the following signals:
-- GPS (automatically calibrates using the included GPS antenna)
-- VSS (Vehicle Speed Sensor)
Showing In Stock Items. Show All 9 Items.
Speedometer Cable Adapters, Speedbox, GM/Ford/Chrysler, Thread-On, 7/8 in. Male Threads, Each
Part Number: SDU-A-299
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Speedometer Cable Adapters, Speedbox, 3 ft. Cable, GM/Ford/Chrysler, Thread-On, 5/8 in.-18 Male Threads, Each
Part Number: SDU-A-368
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Speedometer Cable Adapters, Speedbox, 3 ft. Cable, GM Clip-On Cable, Each
Part Number: SDU-A-369
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Speedometer Cable Adapters, Speedbox, 3 ft. Cable, Thread-On Cable, M12-1.0 Thread, Each
Part Number: SDU-A-375
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Speedometer Cable Adapters, Speedbox, 3 ft. Cable, Ford Clip-On Cable, Each
Part Number: SDU-A-370
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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