Crower 78410PSAA2-1 Features:

Crower part number 78410PSAA2-1 centrifugal arms, Pro Sportsman series Official Crower designation: 10 in. wide-base hybrid with clevis design Specified arm thickness: .225 in. for race-focused valvetrain applications Built for performance and racing use, based on Crower catalog and JEGS listing

Centrifugal Arms Pro Spor 10 In. Wide-base Hybrid With Features:

• 10 in. wide-base hybrid design for Pro Sportsman applications, helping support precise fitment and consistent valvetrain geometry in racing-focused setups.
• Clevis-style configuration with 0.225 in. thickness, built for secure component interface and dependable alignment under high-rpm operating conditions.
• Crower centrifugal arm construction engineered for performance use, supporting responsive valvetrain action and repeatable operation in demanding environments.
• Application-specific Pro Sportsman arm design, offering race-oriented compatibility for builders seeking specialized valvetrain hardware.
• Official part number 78410PSAA2-1 identification for easier ordering accuracy, inventory matching, and confirmation during engine assembly or service.