Throttle valve system for Porsche 911 RSR 2.8 - 2.9 - 3.0 - 3.2 ST RS race car, a perfect new edition.
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This throttle valve system was installed by Porsche on all 2.8 RSR racing cars,
and also with the 3.0 RSR as well as on all Porsche 911 SC RS.
The diameter of the butterfly valves is 50 mm
The channel diameter on the cylinder head is 39 mm or 43 mm. (Specify when ordering)
High butterfly plants like these have better flow rates than plants with below
lying throttle. A fact that generates a higher power in the engine.
It can be used either black or red plastic funnel, which in 125 mm
and 145 mm length are available. Original funnels were used in 145 mm length.
If you have any questions, please contact us by email.