Don't put clean oil into a dirty engine! Dyno-tab® Engine Flush is a pre-oil change treatment that flushes crankcase sludge and deposits. Fast-acting formula works in 5 minutes! Add directly to crankcase. Also available in a 30 mL bottle (49528) for use in motorbike engines.

Contains 6.0 fluid ounces (175 mL)
Each bottle treats 3-5 liter crankcase capacity.