Our Valve Guides are precision-machined from high quality Manganese Bronze material. Supertech Valve Guides are designed to be used in combination with our low friction black nitrided valves to provide the best solution for both performance and durability. For exhaust valve guides designed to be usded for high powered engines that need a better thermal transfer coefficient, we use a copper alloy guide. Copper has about a 3 times higher thermal transfer than Manganese Bronze. Regardless of your needs supertech has the right valve guide for your application.
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Note: for 6mm valves only - Use factory valve stem seal
Engines
Mazda - Grand Touring 4cyl 2.3l Turbo MZR
Mazda - Mazdaspeed 4cyl 2.3l Turbo MZR
Mazda - Mazdaspeed 4cyl 2.3l Turbo MZR
Mazda - Sport 4cyl 2.3l Turbo MZR
Mazda - Touring 4cyl 2.3l Turbo MZR
