1955-1957 GM Full Size Zinc Booster Conversion Kit w/ Left Mount Prop Valve Product Description:

1955-1957 GM Full Size 8" Dual Zinc Booster Conversion Kit
(Impala, Bel Air, Biscayne)

Includes:

• 8" Dual Zinc Booster
• 1" Bore Dual bail GM Cast Iron Master Cylinder
• Left Mount Brass Proportioning Valve kit
• Regular Steel Lines
• Straight Firewall Brackets
• Pedal Rod & Clevis
• Designed for Disc/ Drum Braking systems

Direct bolt on unit. 

DROPSHIPS DIRECT FROM MANUFACTURER