Sunnen RY24J49 Align Honing Stones for CH-100 Line Hone Cast Iron

Genuine Sunnen align honing stones designed specifically for the Sunnen CH-100 Align Honing Machine. These precision abrasive stones are engineered for professional engine rebuilding shops performing main bearing bore alignment and sizing operations on cast iron engine blocks.

Key Features:

• Recommended for cast iron applications, providing optimal cutting performance and surface finish
• Five stones per box (note that mandrels require 10 stones for complete setup)
• J49 grit specification delivers consistent material removal and proper bore geometry
• RY24 series stones designed for the demanding requirements of align honing operations
• Genuine Sunnen quality ensures compatibility and optimal performance with CH-100 equipment

These honing stones are essential consumables for machine shops performing precision engine block repair work. The CH-100 completes alignment and sizing of main bearing bores in about 30 minutes, and proper stone selection is critical to achieving factory-level accuracy. The J49 grit is specifically formulated for cast iron blocks, providing the right balance of stock removal and surface finish for main bearing bore applications.