Smiths Gauge World Wide Sales & Service Center
Ratio adapters are used to correct inaccurate speedometer operation resulting from a change in a vehicle's transmission, axle ratio, tire or wheel size. There's a wide variety of adapters, including electronic adapters for late model vehicles which are easy to use and easy to install..
Please see our Ratio Test to help
determine your problem before you contact us. To order,
fill out our Customer Form and fax to
952-881-2680 or call the APT Instruments tech line at
952-881-7095 if you have questions..
STRAIGHT THROUGH AND OFFSET RATIO ADAPTERS $95
7/8, 18 thread fitting.
Custom ratio adapters built to almost any ratio.
Note: 1:1 Ratio Only
We accept Visa, MasterCard, Discover, American Express, money orders, PayPal and checks.
Last modified: May 14, 2013