Powerhouse Cross Buff mandrel (with 3 Inserts) 915025 The innovative new design allows

The innovative new design allows for deeper turn entries and higher exit speeds

Each T-304 stainless tip is offered with a premium black finish applied with Gibson's formulated process exclusive only to the Black Elite Series

FIA-FT3 certified Sportsman(R) bladder

however further tuning may be necessary depending on the application

Powerhouse Cross Buff mandrel (with 3 Inserts) 915025 The innovative new design allowsCross Buff Mandrel This Cross Buff mandrel is designed to be used with our cross buffs. Available in medium or very fine grade, they're perfect for finish polishing intake and exhaust ports as well as carburetor venturis. Can also be used to polish the inside of lifter bores, valve bodies and brake cylinders Includes 3 inserts. Powerhouse produces an extensive line of tools designed for engine builders and tuners. Their product lineup includes