Bextreme04
Full Access Member
- Joined
- May 13, 2019
- Posts
- 4,464
- Reaction score
- 5,630
- Location
- Oregon
- First Name
- Eric
- Truck Year
- 1980
- Truck Model
- K25
- Engine Size
- 350-4bbl
When you have the SPID sheet, you can look up the RPO codes and options available for that specific year here: https://www.gmheritagecenter.com/gm-heritage-archive/vehicle-information-kits.html