This adaptor will allow you to use the factory throttle body with the aftermarket RB25DET GReddy (or the style one) Front Facing Plenum Manifold.
All sizes are centre to centre.
The distance between top holes is 76mm
The distance Between bottom holes is 76mm
The distance Between top and bottom holes is 76mm.
Professional installation is highly recommended. Some of our products are designed exclusively for Off-Road and track racing only. It is a buyer's responsibility to check the laws.