ROUGH COUNTRY SPEEDOMETER CALIBRATOR Inline | Toyota 4Runner

The Rough Country Inline Speedometer Calibrator is the direct solution to correct speedometer readings on your Toyota 4Runner 4WD (2010-2018) after installing larger diameter tires or regearing your differential. When you lift your truck and upgrade to bigger tires, the speedometer and odometer lose accuracy: this module fixes it.

• Inline installation: plugs directly into the factory harness with plug & play connectors, no cutting or splicing.
• Precise adjustment: compatible with a wide range of tire diameters and gear ratios.
• Real benefits: accurate speedometer, correct odometer, proper automatic shift points and cleared error codes.
• RC quality: rugged electronic components built for daily 4x4 use.

An essential accessory if you have lifted your 4Runner and fitted larger tires. Installation is straightforward, takes just a few minutes and requires no special tools. Restore factory accuracy and drive knowing your speedometer reads true.