3-1/4" Heavy Duty Ball Style - Brush Research

The Brush Research GB31/4 3-1/4" Heavy Duty Ball Style Flex Hone is engineered for professional technicians requiring a precise and consistent surface finish in engine cylinders. This tool is designed to deliver optimal plateau finishes, promoting proper piston ring seating and oil retention for enhanced engine performance and longevity. Its robust construction ensures reliability and durability in demanding shop environments.

Key Features

• Optimal Plateau Finish: Creates a controlled cross-hatch pattern crucial for effective piston ring seating and oil distribution.
• Heavy-Duty Construction: Built for sustained use in professional automotive and industrial applications.
• 180 Grit Abrasive: Provides a versatile abrasive suitable for a range of cylinder conditioning and resurfacing tasks.
• Self-Centering Design: Ensures uniform pressure against cylinder walls, leading to consistent and repeatable results.
• Flexible Driving Shaft: Allows for easy entry into cylinders and adapts to minor bore variations, reducing setup time.

Applications

This 3-1/4" Heavy Duty Ball Style Flex Hone is ideal for a variety of cylinder resurfacing tasks, including post-boring operations, routine engine rebuilds, and deglazing worn cylinders. It is commonly used on cast iron and steel engine blocks in automotive, marine, small engine, and industrial machinery repair to restore the optimal surface finish for new piston rings. Professionals rely on this tool for achieving critical surface finish requirements necessary for peak engine efficiency and reduced oil consumption.