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

We have the option of 15PSI or 60PSI gauges and ahigh quality USA made Schrader valve is included with all the two adaptors

Supplied with:

Finish off your FD3S RX-7 front end with the Vinny Fab Scutter Panel

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