PennGrade 1 SAE 40 is a monograde high performance racing oil built for high-stress engines running under demanding conditions. PennGrade states it uses a high-zinc formula to reduce wear and hold lubrication under heat, load, and pressure, and lists it for both street and track use on performance-built engines. This listing is for a case of twelve 1 quart bottles.
Specifications:
- Product: PennGrade 1 High Performance Oil SAE 40
- Viscosity grade: SAE 40
- Oil type: Monograde
- Anti-wear: High-zinc ZDDP additive system
- Typical use: High-stress performance engines, street and track, including classic and drag applications
- Package: Case of 12 Quarts
- Part number: 71406
FAQ
What is a monograde SAE 40 oil for?
A monograde (single viscosity) SAE 40 is used in high-stress performance engines, classic and vintage engines, and racing applications that call for a straight 40 weight.
Does it have high zinc?
Yes. PennGrade describes SAE 40 as a high-zinc formula that helps reduce wear on high-load components.
How is this listing packaged?
This listing is a case of twelve 1 quart bottles.

