Engine Break-In Oil Additive Lucas Protects camshaft lifters and valve train during break-in period of motor. Excellent for flat tappet camshafts during break-in or as an additive to any motor oil to prevent premature wear. Exclusive blend of extreme-pressure additives. Add one bottle with every oil change to increase the zinc content of your motor oil. Designed for race applications requiring additional extreme-pressure additives. Dyno testing shows a more efficient break-in when used, resulting in less engine run time prior to race day.

• Made in USA