DSM
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EVO
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EVO X
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3000GT
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NISSAN
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BMW
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SUBARU
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SUPERTECH VALVE GUIDES | EVO VIII-IX | 90-99 DSM
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Supertech's precision-machined, high quality Maganese Bronze Valve Guides used in combination with their low friction nitrided valves provides the best solution for performnace and durability for your 4G63 motor.
Maganese Bronze Supertech 6.6mm Exhaust & Intake Valve Guides
Oversized guides (+.001) are for the O.D. only, not the I.D. for the valve stem. These are required if your guides have been removed numerous times and the head has lost enough material where the holes have gotten larger.
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