Driven Break In Engine Oil GP-1 30 GradeGP 1 SAE 30 Grade Break In Specialty Motor Oil Formulated with premium Pennsylvania Grade base oil combined with Drivens High Zinc (ZDDP) low detergent additive package delivers a synergetic chemical balance, producing enhanced break in protection. Formulated to protect flat tappet, overhead, and roller cam engines during the critical break in process, GP 1 reduces engine wear while promoting proper piston ring seal. GP 1 Break In 30 doesnt require