1955-57 Chevy Belair, Impala Front Power Disc Brake Conversion Kit, D154 GM Caliper, 8" Dual Diaphragm Booster, 4 Wheel Disc Prop Valve Popular Vehicles Suspension Parts 13/16" shank length and 1"

13/16" shank length and 1" thread length and two aluminum single-ring striker plates

Available for small block or big block

Allows for perfect caliper fit

Our pitman arms are manufactured to precise specifications and are available for trucks that are stock ride height or lowered ride height

1955-57 Chevy Belair, Impala Front Power Disc Brake Conversion Kit, D154 GM Caliper, 8" Dual Diaphragm Booster, 4 Wheel Disc Prop Valve Popular Vehicles Suspension Parts 13/16" shank length and 1"This 1955 57 Chevy Belair, Impala, Biscayne disc brake conversion kit is great for small rim and tire combos. These kits are everything you need to convert to power disc brakes on your 1955 57 Classic Chevy. Mounts to your original spindle using 11" GM rotors making installation a snap! . 375" thick one piece caliper brackets offer a clean and strong caliper mount exceeding any GM specifications. Works with most 13" outset Dayton and aftermarket 14"