1955-59 Chevy, GMC Truck, Firewall Mount Hydropower Hydraulic Brake Assist with POL or Wilwood Master Cylinder, Finish Type:Polished (Wilwood Only) Using our 55-68 horn ring

Using our 55-68 horn ring kit will allow for the use of your original steering whell

PO916U shown

As long as your steering column has a 1"-48 output shaft this is the kit for you

Performance Online offers you a wide variety of options when considering what you want to do with your 1947-54 Chevy and GMC 3100 Series truck

30 Spline count

1955-59 Chevy, GMC Truck, Firewall Mount Hydropower Hydraulic Brake Assist with POL or Wilwood Master Cylinder, Finish Type:Polished (Wilwood Only) Using our 55-68 horn ringOur Hydropower hydraulic brake assist power booster fits 1955 59 2nd series Chevy and GMC trucks and generates up to 1800psi of line pressure to the brake calipers. It is fitted with a POL or Wilwood master cylinder and an adjustable proportioning valve. This kit is powered by hydraulic line pressure from the power steering pump. Firewall and valve cover clearance is equivalent to a 7" diameter vacuum booster. The firewall brackets are correct for 55