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Rotor Grooving1st Generation RX-7s come with 3mm apex seals stock in the OE rotors. If you are or plan on using 86+ rotors, 3mm rotor clearancing is required.

3mm Rotor Clearancing - Per Rotor
Price: $175.00
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3mm Apex Seal

13B 3mm Apex Seals

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2mm Apex Seal

13B 2mm Apex Seals

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3mm Apex Seal

12A 3mm Apex Seals

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