Engine Cylinder Flex-Hone(R) - Heavy-Duty - 3In - GearWrench

The GearWrench 2489 Engine Cylinder Flex-Hone® is a heavy-duty tool engineered for professional engine reconditioning, providing the essential plateaued finish for optimal piston ring seating and oil retention. This 3-inch (76mm) flex-hone is designed for durability and consistent performance, making it a reliable choice for demanding automotive and industrial applications.

Key Features

• Optimized Cylinder Honing: Designed to hone engine cylinders with diameters ranging from 2-3/4" (70mm) up to 3" (76mm), ensuring versatile application across various engine types.
• Superior Surface Finish: Delivers a uniform plateaued finish, which is critical for proper lubrication, sealing, and promoting extended piston ring life in rebuilt engines.
• Heavy-Duty Construction: Built with high-density nylon filaments and abrasive globules, ensuring enhanced durability and a longer lifespan compared to standard-duty hones, even under rigorous use.
• Effective Abrasive Grit: Features a 120 grit abrasive that provides efficient material removal and surface refinement for effective cylinder wall preparation.
• User-Friendly Design: Engineered for ease of use, compatible with a variable-speed 3/8-inch hand drill without requiring complex setup.

Applications

This GearWrench flex-hone is an indispensable tool for professional mechanics, engine builders, and industrial technicians involved in comprehensive engine rebuilding, cylinder reconditioning, or deglazing operations. It is suitable for preparing cast iron and other common engine cylinder materials, ensuring the ideal surface finish for new piston rings and promoting overall engine longevity.

Specifications

• Manufacturer: GearWrench
• Model Number: 2489
• Size: 3" (76mm)
• Recommended Minimum Working Diameter: 2-3/4" (70mm)
• Grit: 120