Quick Fuel Echecker - E85 Fuel Test Tube HH-1.5 these springs have an 8"

these springs have an 8" free length and are offered in four rates

1976-1979 Oldsmobile Custom Cruiser

25 in W x 16

1963-1966 Chevrolet K20 Pickup

Quick Fuel Echecker - E85 Fuel Test Tube HH-1.5 these springs have an 8"Simply and accurately check the percentage of ethanol content in your E85 pump gas. Simply add water to the water line and then fill the rest of the way with your fuel in question. Shake it up and let it set for a few minutes and there will be a line of separation telling you what percentage your fuel really is it's that easy! Comes with protective sleeve and instructions. Quick Fuel Technology E 85 Fuel Sample Test Tube Kit 36 E85 Clear E85 Fuel Test