3″ 240 Grit Flexible Cylinder Ball Hone Engine Brake Hone Brush Silicon Carbide
3″ /77mm 240 Grit Flexible Cylinder Ball Hone. Perfect for engine rebuilding and re-ringing jobs. Details: Size: 3″ / 77mm Abrasive: Silicon Carbide Grit: 240 (Ideal for final finishing) Working Range: 73mm – 78mm (2.90″ – 3.055″) Condition: Brand New Features: Flexible ball design self-centers in bore for even pressure. Labeled as 3″ but slightly oversized to provide proper wall contact for 73-78mm cylinders. Creates perfect crosshatch pattern for ring seating. Works on all engine types. Package: 1 x 240 Grit Ball Hone.