Sunnen EHU412 150 Grit Honing Stone Set for Deglazing Nicasil

The Sunnen EHU412 is a premium quality honing stone set designed specifically for deglazing Nicasil cylinder bores using Sunnen CV/CK honing machines. These specialized stones feature 150 grit aluminum-oxide abrasive material optimized for working with Nicasil-coated cylinders commonly found in high-performance automotive and powersports applications.

Key Features:

• 150 grit aluminum-oxide abrasive for effective Nicasil deglazing
• Compatible with Sunnen CV/CK honing machines
• Standard automotive hone head diameter range: 3.0" to 5.0"
• Junior hone head diameter range: 2.6" to 3.5"
• Includes 2 stones per set
• Package contains 6 complete sets (12 stones total)

These honing stones are essential for engine rebuilders and machine shops working with modern cylinder bore coatings. The EHU412 stone set provides consistent results when preparing Nicasil surfaces for ring sealing and proper break-in.