GY25-J45 : Sunnen 150 Grit Hone Stones - 2.5 to 3.3" Range
Order No. GY25-J45
Special stones for ported cylinders. These specially designed stones from Sunnen allow the hone to pass the intake and exhaust ports while maintaining consistent pressure to remove material accurately and easily.
Fits range from 2.5 to 3.3". Give a 45Ra finish