Sunnen P28J67 Honing Stone for Cylinder Finishing

The Sunnen P28J67 is a precision honing stone designed for finish honing operations on steel cylinders and bores. This conventional abrasive stone is engineered to deliver smooth, consistent results in automotive and industrial engine rebuilding applications.

Key Features:

• Precision finish honing stone for steel applications
• Achieves superior surface finish quality of Ra 0.4 micrometers
• Compatible with P28 series honing mandrels and tooling
• Ideal for final finishing passes to achieve precise bore dimensions
• Used in cylinder head, connecting rod, and engine block reconditioning

This honing stone is part of Sunnen's extensive conventional abrasives line, trusted by automotive machine shops and engine builders worldwide for consistent, professional-grade results. The P28J67 is specifically formulated for finish honing operations where dimensional accuracy and surface quality are critical.