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Mazda RX8 porting template half bridge racing port RX-8 SE3P :
$50.00
Mazda RX8 RenesisPorting template
KMR / B2A designed
Half bridge intake with extended exhaust port.For racing and high performance application.
Approximately 15 to 20hp gain in the 8k to 9k RPM range depending on your tuneing.Not for street use will not pass some smog testing
