This is a pair of residual valves for a Four wheel disc brake conversion. This includes a pair of 2 lb residual valves.
Street Rod GM Disc Brake Blue 2 lb Residual Pressure Valve Check Valve 2pcs
For Hot Street Rod Disc Brake 2 lb Residual Pressure Valve Check Valve Blue
Street Rod 2 # Disc Front and 10# Drum Rear Brake Residual Fluid Check Valve Set
Allstar ALL41049, One Red Aluminum Residual Check Valve 10Lb Performance Parts
Allstar ALL41048, One Blue Aluminum Residual Check Valve 2Lb Performance Parts