Professional Ball Brush Hone Tool – Specialized for Engine Rebuilding (320 Grit, Multiple Sizes Available)

Premium Cylinder Hone Tool

🔧 Application Scope:

Remove stubborn glaze from cylinder walls
Create ideal crosshatch honing patterns
Prepare cylinder bores for fitting new pistons and piston rings
Restore performance of both classic and modern engines

📋 Technical Specifications

Material: High-grade silicon carbide
Grit: 320 (Ideal for modern engines requiring smooth cylinder wall finish)
Suitable for: Professional auto repair shops and experienced automotive DIY enthusiasts
Available Sizes (Diameter):
- Large Bore (90mm and above): 110mm, 105mm, 96mm, 91mm
- Medium Bore (60–90mm): 85mm, 80mm, 77mm, 68mm
- Small Bore (Below 60mm): Contact us for custom options

Size Selection Guide

Cylinder Bore Specification	Recommended Hone Size
Above 90mm (V8/Large-displacement Engines)	3–6mm larger than cylinder bore
60–90mm (Medium-displacement Engines)	2–4mm larger than cylinder bore
Below 60mm (Small-displacement Engines)	1–3mm larger than cylinder bore

Professional Selection Tips

The 105mm/108mm sizes are suitable for Holden/Ford V8 engines (4-inch bore models)
320 Grit: Best suited for late-model engines
240 Grit: Suitable for classic engines (contact us for purchase)

⚠️ Never select a size that exactly matches the cylinder bore – always choose a larger size!

⚠️ Important Usage Notes

Must use high-quality honing oil (wet operation only, dry honing is strictly prohibited)
Post-honing Cleaning Process: Solvent cleaning → Secondary cleaning with soapy water → Wipe cylinder walls with automatic transmission fluid (ATF)
Always verify the selected size against the engine's original factory specifications

📦 Package Content

1 x Ball Brush Hone (size as selected by customer)