A rack set that expands the capacity of the 15000 cylinder hone to a 4" (10.2 cm) to 6.25" (15.9 cm) range. It integrates with stone sets ranging from 80 to 500 grit, including specialized 150 grit hard bond stones for steel. These components provide the necessary reach for honing larger engine cylinders.

A rack set that expands the capacity of the 15000 cylinder hone to a 4" (10.2 cm) to 6.25" (15.9 cm) range. It integrates with stone sets ranging from 80 to 500 grit, including specialized 150 grit hard bond stones for steel. These components provide the necessary reach for honing larger engine cylinders.