Intake Manifold Adaptor RX7 Series 6 to Series 4 or 5 13B Style:RX7 Series 6 to Series 4 13B We have found that some

We have found that some late model RB25 S2 engines have the slightly larger 16

Perfect for adding flair to your vehicle‚ whether under the hood or on exterior accents

New Zealand and are anodised or plated for great looks and durability

Turbo oil return 10AN adaptors with different options of bolt hole spacing

Intake Manifold Adaptor RX7 Series 6 to Series 4 or 5 13B Style:RX7 Series 6 to Series 4 13B We have found that someIntake manifold adaptor for Mazda RX7 13B Engines. These adaptors enable you to fit a Series 6 upper intake manifold to a Series 4 or Series 5 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 anodised for