Change Over Valve - 911 | 1987-1989 91150120660GRV The K&N Heavy Duty DryFlow

The K&N Heavy Duty DryFlow Air Filter Cleaner is a powerful and effective cleaner specifically designed for heavy-duty commercial air filters

Designed to work with Cayenne Porsches

Its straight-cut fit provides a clean

Ensures Secure Storage Of Wheel Bolts After Wheel Changes

Change Over Valve - 911 | 1987-1989 91150120660GRV The K&N Heavy Duty DryFlowChange Over Valve For Porsche 911 (1987 1989) Models. The Change Over Valve for Porsche 911 directs the flow of vacuum or emissions gases between different engine systems, ensuring proper operation and performance. Designed for an exact fit, it helps maintain efficient engine function and supports emission control systems. A reliable replacement part essential for keeping your Porsche running smoothly and efficiently.