1955-57 Chevy Belair Black Out Power Brake Booster, POL or Wilwood Master Cylinder Front Shocks Shock Absorbers and Shock Mounts The spring rate changes with

The spring rate changes with the travel of the spring as opposed to having a constant rate as in a conventional standard or heavy duty spring

these parts improve front end geometry and strength

3100 truck

These kits mount to your original spindle making installation simple and uses late model "GM" calipers for added clearance when running 14" wheels

1955-57 Chevy Belair Black Out Power Brake Booster, POL or Wilwood Master Cylinder Front Shocks Shock Absorbers and Shock Mounts The spring rate changes withOur Black Out power brake conversion for the 1955 57 Belair consists of a 9" Black Booster and Black POL or Wilwood master cylinder and Black Out adjustable proportioning valve. Performance Online introduced this in 2013 and received a huge response. This kit contains a powder coated booster, Black POL or Wilwood high performance master cylinder, black adjustable proportioning valve and black powder coated brackets to add a nice professional detailed