This German made replica of the 1974 rsr 3.0l slide valve injection system keeps air consistently on tap for superior drivability. When the throttle is opened, there is an instant injection of air, providing a sharp, crisp throttle response. This efficient injection frees up more power and compliments larger displacements, high lift cams and full exhaust systems. This kit is engineered, precision machined, flow tested and manufactured in Germany. It is replicated to look as close to the original as possible. Features: slide valves mounted on needle roller bearings maintenance free injection is adjustable from the top or bottom slide valves approved for fia historic Porsches for the 911 2.3 st / 2.5 st / 2.7 rs / 2.8 rsr / 3.0 rs / 3.0 rsr complete and ready for installation on all mfi Porsche 911 engines of the 60s / 70s and 80s aluminum housing inlet diameter on the cylinder head: 43mm standard valve diameter: 46mm (can be made in other sizes on request) sold as a complete system. 1 necessary per car.

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.