K-Tuned Throttle Body Velocity Coupler (62.5mm to 3") - KTD-TVC-623 Walbro Special Order part numbers do

Special Order part numbers do not go into production until ordered and will likely have a longer delivery time

especially for turbocharged applications

The end locations for the -8 ORB ports have been specifically machined to help reduce the likelihood of wrench damage to the rail's cosmetic finish during installation

the SCG-1 utilizes our 100% digital wideband air/fuel ratio technology to provide real time feedback to the SCG-1

K-Tuned Throttle Body Velocity Coupler (62.5mm to 3") - KTD-TVC-623 Walbro Special Order part numbers doThe K Tuned velocity coupler is made from reinforced 4 ply silicone. This unique part completely removes the step commonly found at the throttle body opening, which straightens and accelerates the intake airflow and in turn helps the engine breathe easier. Intake system design and overall airflow into an engine can be critical to making maximum power. The coupler has been engineered to improve an engines volumetric efficiency similar to the way a