Upgrade your dash with the Speedhut R4-S30-REV 4" GPS Speedometer – the most accurate, calibration-free speed solution for hot rods, muscle cars, and custom builds. Using advanced GPS technology, it delivers real-time speed readings anywhere in the world with zero wiring to your transmission or driveshaft. Built tough in the USA with a lifetime electronics warranty, this Revolution Series gauge features smooth stepper-motor movement, bright LED backlighting, and fast 4-5 Hz updates for precise tracking. Perfect for high-performance driving, off-road, or street use.

GPS-powered accuracy – no calibration, sensors, or tire size input needed
Plug-and-play 12V installation with included waterproof antenna
Works with any transmission – manual, automatic, or custom setups
Ultra-responsive 4-5 Hz updates and smooth stepper motor needle
Rugged USA-built construction with lifetime electronics warranty

CA Prop 65

Speedhut R4-S30-REV Specifications

KEY SPECS
MFG. Part #	R4-S30-REV
Brand	Speedhut
Gauge Diameter	4"
Depth	1.3"
Gauge Range	0-260 mph
Gauge Style	Analog
Gauge Series	Analog

GENERAL
Body Diameter	3.9"
Gauge Sweep	Full Sweep
Lighted	Yes
Liquid Filled	No
Bezel Finish	Chrome
Sending Unit	GPS
Sending Unit Included	Yes
Includes Bulb and Socket	No
Includes Light Covers	No
Includes Mounting Bracket(s)	No
Gauge Size	3.9
Tripometer	No
Gauge Number Color	White
Pointer Color	White
Includes Sensor Unit	Yes
Includes Wire Harness	Yes
Bezel Included	Yes
Mounting Hardware Included	Yes
Clock Included	Yes
Shape	Round
Memory Storage	Yes
Playback	No
Tachometer Included	No
Sold in Quantity	Each
GTIN Code	843386135726

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