Driven GP-1 SAE 50 is a conventional high-zinc racing motor oil formulated from Pennsylvania base oil for natural film strength and cling. The high-zinc (ZDDP) additive package delivers anti-wear protection for flat tappet, roller, and overhead cam engines, and the formula resists fuel dilution from methanol, E85, and high-octane fuels while detergents and foam inhibitors keep the engine clean at high RPM.
Specifications:
- Product line: GP-1
- Viscosity grade: SAE 50 (monograde)
- Oil type: Conventional
- Additive package: high zinc (ZDDP)
- Container: 1 Gallon
- Part number: 19516
Applications:
- High-performance and racing engines calling for a straight-weight oil.
- GP-1 oils are formulated for high-performance and racing use. They do not meet any current API or OEM engine oil specification and are not intended for vehicles equipped with catalytic converters.
FAQ
Is GP-1 SAE 50 a synthetic oil?
No. GP-1 SAE 50 is a conventional (mineral) high-zinc racing oil built on Pennsylvania base stock.
Does it contain high zinc?
Yes. GP-1 carries a high-zinc (ZDDP) additive package for anti-wear protection of flat tappet and roller cam engines.
Can it be used in a catalytic-converter vehicle?
No. GP-1 is for high-performance and racing use, does not meet API or OEM specifications, and is not intended for vehicles with catalytic converters.

