Just insert the swab into the fuel tank and watch for the color to change compared to the color code on the package to determine the quality of fuel.
WIX 24078 Extended Oil Drain Analysis Kit
WIX Oil Filter/Water Removal Kit ACKG35
BALDWIN FILTERS BT8892MPG Hydraulic Filter, (wix 51721)
KRC Racing Oil Filter Cutter Wix Racing Adapter Kit KRC 1205
Driven Racing Oil LS30 5W-30 Change Kit w/ WIX Filter 2WD Chevy/ GMC Truck 88...
