2.5" to 3.3" Range Honing Stones for High Silicon Aluminum Alloy Blocks (GG25-J65)
2.5" to 3.3" Range Honing Stones for High Silicon Aluminum Alloy Blocks
Hone high-silicon aluminum alloy blocks with ease
These stones will fit both the Sunnen® AN-112 and AN-815 and the Goodson HN-218 and HN-218HD Portable honing mandrels (sold separately). After following all of the steps from roughing to finishing to polishing to final conditioning with Felt and Silicon Compound your cylinder will have a dull matte finish and the piston rings will ride on silicon instead of aluminum, giving you better performance and longer ring life.