Speedhut A-368 Mechanical Drive Converter w/ Cable

Revive your original cable-driven mechanical speedometer with modern accuracy using this innovative SPEEDBOX from Speedhut. It converts GPS satellite signals or Vehicle Speed Sensor (VSS) inputs into precise mechanical cable rotation-no transmission modifications, no calibration headaches, and no need to replace your stock gauge. Includes a 5/8-18 thread-on cable compatible with GM, Ford, and Chrysler applications, waterproof GPS antenna, compact sealed housing for easy mounting, and automatic calibration. Made in the USA-perfect for restorations, swaps, classics, hot rods, muscle cars, or any build wanting to keep factory 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.
• Included Thread-On Cable - 5/8-18 threaded cable fits common GM, Ford, and Chrysler speedometer inputs for straightforward plug-and-play installation.
• 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.
• Lifetime Warranty Confidence - Backed by Speedhut's lifetime electronics warranty for lasting performance and total peace of mind on your classic build.