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Summit Racing Part Number:
Porting Mandrel Material:
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Porting and polishing your cylinder heads? These Standard Abrasives porting mandrels are perfect for just about any job. They are available in different lengths and diameters to fit your specific size cartridge rolls. Simply slide the cartridge roll over the Standard Abrasives porting mandrels and install that in your die grinder, drill, or porting device.
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