COMP Cams POW351905 1" Very Fine Cross Buffs Engine Porting Polishing Set 10-Pack

The COMP Cams POW351905 Cross Buffs are 1-inch diameter, very fine grade aluminum oxide abrasive buffs designed for precision porting and polishing of engine components. Sold in a convenient 10-pack, these cross buffs are an essential tool for professional engine builders and performance enthusiasts who demand smooth, polished surfaces on critical engine passages.

These abrasive buffs excel at finish polishing intake and exhaust ports as well as carburetor venturis, delivering a refined surface finish that supports optimal airflow. Their versatile 1-inch diameter also makes them well-suited for polishing the inside of lifter bores, valve bodies, brake cylinders, and numerous other cylindrical engine passages.

Key Features:

• Very fine aluminum oxide abrasive for finish-quality polishing
• 1-inch diameter — ideal for intake/exhaust ports and carburetor venturis
• Suitable for lifter bores, valve bodies, brake cylinders, and more
• Pack of 10 buffs for extended use
• Designed for use with Cross Buff Mandrel POW351920 (sold separately)
• Compatible with the COMP Cams Cross Buff Mandrel POW351920, which accepts 3/4", 1", and 1.5" cross buffs

For best results, use with the COMP Cams Cross Buff Mandrel (POW351920), which accommodates 3/4", 1", and 1.5" cross buffs with included inserts. These cross buffs are a trusted choice for anyone performing head porting, cylinder head preparation, or detailed engine finishing work.