Competitive Product |
ISO |
Base Oil |
AMSOIL |
AMSOIL SECONDARY |
| AC-0 | 32 | Petroleum (contains zinc) | PCH | Note: PC Series is Ashless |
| AC-1 | 46 | Petroleum (contains zinc) | PCI | Note: PC Series is Ashless |
| AC-2 | 68 | Petroleum (contains zinc) | PCJ | Note: PC Series is Ashless |
| AC-2A | 100 | Petroleum (contains zinc) | PCK | Note: PC Series is Ashless |
| AC-3 | 150 | Petroleum (contains zinc) | PCL | Note: PC Series is Ashless |
| AC-4 | 150 | Petroleum (contains zinc) | PCL | Note: PC Series is Ashless |