Seller notes

Intake manifold adaptor for Mazda RX7 13B Engines. This adaptor enables you to fit a Series 6 upper intake manifold to a Series 5 lower intake manifold. ATTENTION PLEASE MAKE SURE YOU HAVE THE CORRECT LOWER INTAKE MANIFOLD!!! We have used the CAD design software to port match the upper and lower flanges for optimal air flow, and incorporated eccentric fasteners to compensate for the different bolt pattern of the two manifolds. The manifold adaptor is manufactured from 6061-T6 aluminium and black...

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