Restore lost miles per gallon! Fuel Doctor™ is a power conditioner / fuel efficiency booster that plugs into the lighter socket / power port closest to the engine of a vehicle. It helps to increase miles per gallon through power conditioning of the vehicle's electrical system. Conditioned and clean power allows better values sent to the vehicle's electronic control unit. The result is increased power, reduced emissions, reduced engine wear and boosted fuel efficiency. Lab and field proven. Recommended for vehicles 2 years and older. Close

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Figure out what's ailing your engine with CheckSpark! Safety tests for proper spark, shortened / fouled plugs and open or broken spark plug wires help you avoid high-priced diagnostic tests at the loc... Close

This Inspection Camera with waterproof probe, gives you a snake's eye view into areas you can't see any other way. For automotive and home inspections, anything with tight areas, this does the job... ... Close

Sportsman's Guide Has Your Automatic Oil Change System Available At A Great Price In Our Auto Maintenance Collection. Close

Sportsman's Guide Has Your Microtemp Compact Ir Thermometer Available At A Great Price In Our Auto Maintenance Collection. Close

Sportsman's Guide Has Your Fuel Doctor Available At A Great Price In Our Auto Maintenance Collection. Close

Sportsman's Guide Has Your Thermotech Non - Contact Digital Infrared Thermometer Available At A Great Price In Our Auto Maintenance Collection. Close