Quick view Add to Wishlist Lucas Oil 10472 Engine Break-in Oil Additive - TB Zinc Plus 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. MSRP: $4,850.58 Add to Cart The item has been added Compare