The vented cap is ideal for applications where pressure relief is necessary, allowing excess air to escape and preventing pressure buildup that could damage the system. This is particularly useful in high-performance or racing environments where temperatures and pressures can fluctuate rapidly.
Built fully of billet 6061 and anodized black, this piece is a direct replacement for the cap on the PHR Billet Power Steering Reservoir
Machined into the cap is the "cage" where the retention spring rests. This spring presses against the tank filter, keeping it in place during aggressive driving situations.