Speedhut R4-DS13-REV 4" Dual Gauge, 120 mph Speedo/12K Tach

The Speedhut Dual GPS Speedometer and Tachometer combines cutting-edge GPS accuracy with reliable RPM monitoring in one powerful, space-saving gauge. Get real-time, calibration-free speed readings via satellite-no sensors, no tire size or gear ratio input required-plus a high-performance tach that works with any engine and tach signal over 1 volt (1/2 to 6 pulses per rev). Easy 12V power hookup and included waterproof GPS antenna make installation simple, while bright LED backlighting, smooth high-torque stepper motors, and rugged USA-made construction ensure flawless performance in street, track, or off-road conditions. Worldwide operation with no subscription or data transmission-pure receive-only GPS reliability. Perfect for muscle cars, hot rods, classics, trucks, restomods, or performance builds demanding confident, accurate speed and RPM data without the hassle.

• Calibration-Free GPS Speed - Instant satellite lock for precise MPH/km/h readings-no sensors, tire sizes, gear ratios, or setup needed.
• Versatile Tach Performance - Works with 1/2 to 6 pulses per rev; handles any engine and tach signal over 1 volt with race-ready pointer accuracy.
• Easy Install and Universal Fit - Simple 12V wiring plus waterproof GPS antenna mounts anywhere; fits standard dual-gauge openings.
• Bold, High-Visibility Design - Bright LED backlighting and high-contrast markings deliver clear readability day or night, vibration-resistant under hard driving.
• Lifetime Warranty Durability - Tough, weather-resistant build backed by Speedhut's lifetime electronics warranty for total long-term confidence.