Set Hard Stones - 240 Grit - Lisle

The Lisle 23530 Set Hard Stones is a crucial replacement component for professional technicians and mechanics performing precision engine work. These 240-grit hard stones are specifically engineered to provide the final finish after cylinder re-boring operations, ensuring optimal piston ring seating and extended engine longevity. They are not intended for initial glaze breaking, but rather for achieving the precise surface finish required for professional-grade engine rebuilds.

Key Features

• Precision Finishing: Designed for use after cylinder re-boring to create the ideal cross-hatch pattern for proper piston ring seating and oil retention.
• 240 Grit Hard Stones: The 240-grit abrasive provides a fine, consistent finish, effectively smoothing out scratches left by coarser grits and preparing cylinder walls for assembly.
• Professional-Grade Construction: Manufactured by Lisle, these stones are built with high-quality materials to deliver durable, long-lasting performance in demanding shop environments.
• Direct Compatibility: This stone set is designed for seamless integration with the Lisle 23500 stone-type glaze breaker/cylinder hone.
• Organized Packaging: Supplied skin-packed, ensuring the stones remain protected and organized within your toolbox until ready for use.

Applications

This 240-grit hard stone set is essential for achieving a superior finish in various automotive and industrial applications. It is primarily used during engine rebuilds and cylinder work to hone cast iron or aluminum cylinders, ensuring precise tolerances and optimal engine performance. Utilizing these stones helps to establish the critical cross-hatch pattern necessary for effective compression, improved oil control, and the overall reliability of rebuilt engines.

Specifications

• Manufacturer: Lisle
• Model Number: 23530
• Grit: 240 Grit
• Length: 3 inches
• Shipping Weight: Approximately 2-3 ounces