1955 Plymouth Plaza Engine Blocks
- Speedmaster®2-Bolt Standard 12-point Main Stud KitPlymouth Plaza 4.3L 1955, 2-Bolt Standard 12-point Main Stud Kit by Speedmaster®. Speedmaster engine studs are premium-grade, race-quality studs that are created from aircraft quality 8740 high tensile strength chromoly steel,...Created by professionals to meet your requirementsSuperior longevity and dependability$56.70