JIMS USA | 1023-70 | Cam Bushing Reamer Tool

Specifications

• Manufacturer: JIMS USA
• Model Number: 1023-70
• Target Fitment: Designed for use on all Big Twin 1970-present single cam engines, including aftermarket motors.
• Precision Standard: Reams cam cover bushings to a finished size approximately 0.0008”–0.0015” over the cam journal.
• Construction: Made in the U.S.A.

Key Features

• Line Reaming Capability: The tool accurately line reams the cam cover bushing to size, piloting from the inner cam bearing.
• True Centerline Alignment: Establishes a precise centerline between the cam cover bushing and the cam journal.
• Durable Design: Engineered for repeated professional use in demanding engine assembly environments.
• Integrated Piloting: Utilizes the existing cam bearing as a guide to ensure optimal alignment during the reaming process.

Applications

• Engine Assembly: Essential for properly installing and sizing new cam bushings during engine rebuilding or service.
• Camshaft System Preparation: Used to prepare the cam cover bushing for optimal camshaft fitment.
• Professional Engine Work: Ideal for mechanics and engine builders working on Harley-Davidson Big Twin single cam engines from 1970 to present, including aftermarket variants.
• Preventive Maintenance: Helps ensure proper tolerances and alignment for long-term engine health.

Benefits

• Ensures Optimal Fitment: Creates a proper fit for the cam cover bushing, crucial for camshaft performance.
• Enhances Engine Longevity: Promotes a smooth and quiet running engine by preventing premature wear of cam bushings and camshafts.
• Reduces Friction: Achieves precise bushing dimensions, minimizing friction within the cam system.
• Provides Professional Results: Allows users to perform critical engine work with accuracy, contributing to reliable engine operation.