Speedhut A-375 Mechanical Drive Converter w/ Thread-on Cable

Revive your original cable-driven mechanical speedometer with modern accuracy using this specialized SPEEDBOX from Speedhut. It converts GPS satellite signals or Vehicle Speed Sensor (VSS) inputs into precise mechanical cable rotation-no transmission modifications, no calibration required in GPS mode, and no need to replace your stock gauge. Includes a M12x1 thread-on cable for easy hookup on compatible applications, waterproof GPS antenna, compact sealed housing for simple mounting, and automatic calibration. Made in the USA-perfect for certain European classics, imports, restorations, swaps, hot rods, or any build wanting to retain factory mechanical looks while gaining GPS precision and reliability.

• Modern Signal Conversion - Accepts GPS (fast satellite lock, no subscription) or VSS inputs and drives your original mechanical speedo cable with pinpoint accuracy.
• M12x1 Thread-on Cable Included - Threaded cable fits compatible speedometer inputs for secure, straightforward installation and broad compatibility.
• Zero Calibration Needed for GPS - Auto-calibrates to your setup; works worldwide with the included waterproof antenna-no gear ratios or tire size programming required.
• Compact and Rugged Design - Sealed, easy-to-mount housing fits tight dashes; built tough for street, off-road, or long-haul durability on classic applications.
• Lifetime Warranty Confidence - Backed by Speedhut's lifetime electronics warranty for lasting performance and total peace of mind on your build.