Dyno-tab® Engine Wear Shield is a high-performance oil booster that reduces friction and metal-to-metal wear for maximum engine protection. It works with regular or synthetic oil. Add directly to crankcase. Also available in a 30 mL bottle (49583) for use in motorbike engines.

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