Crower 74722F Features:

Crower shaft rockers for BBC Dart Pro1 365 cc cylinder heads Part Number 74722F with 1-piece intake stands Heavy-duty 5/8 in. shaft design for valvetrain stability Engineered as a premium valvetrain component for BBC applications

Shaft Rockers BBC Dart Pr BBC Dart Pro1 365, Features:

• BBC Dart Pro1 365cc fitment, precision shaft-rocker setup for valvetrain geometry stability and consistent high-RPM motion under demanding Big Block Chevy use
• One-piece intake stands, added rigidity for improved rocker alignment, reduced deflection, and dependable valvetrain control in performance applications
• 5/8 in. heavy-duty shaft, increased support strength for aggressive engine builds requiring stable rocker operation and enhanced durability under load
• Crower valvetrain design, engineered for BBC combinations using Dart Pro1 365cc heads, supporting accurate rocker positioning and reliable component integration
• Performance-focused rocker pair, built for Big Block Chevy cylinder head compatibility, helping optimize valvetrain stability, strength, and operating consistency