Crower 74501X004F Features:

Crower replacement shaft for shaft-mounted rocker systems on 455 Pontiac engines 5/8 in. shaft diameter, identified by part number 74501X004F for Pontiac applications Designed as a high-performance rocker arm valvetrain component for Crower rocker systems Built for precision fit and durability in demanding racing applications

5/8 Shaft Rocker Shaft 45 455 Pontiac 5/8 In. Features:

• 5/8 in. replacement shaft for 455 Pontiac shaft-mounted rocker systems, precision-fit performance valvetrain component
• CNC precision-machined shaft design for accurate rocker alignment, stable geometry, and consistent high-RPM valvetrain motion
• Double heat-treated and micro-finish ground construction for enhanced wear resistance, smoother operation, and extended service life
• Engineered for high-performance and racing applications requiring dependable shaft strength under elevated spring loads and RPM
• Steel shaft configuration for Crower shaft-rocker assemblies, Pontiac-specific 74501X004F fitment with 5/8 in. diameter