MY33-J85 : Sunnen 400 Grit Hone Stones - 3.3 to 4.2" Range

Goodson Tools & Supplies

$43.99 
SKU: MY33-J85

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Special stones for ported cylinders. These specially designed stones allow the hone to pass the intake and exhaust ports while maintaining consistent pressure to remove material accurately and easily. Range: 3.3" - 4.2" (83.8 - 106.7mm). Give a 20Ra finish.