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1955-1958 GM Full Size Disc Brake Kit W/ 8 Dual Zinc Booster Conversion Kit (Impala, Bel Air, Biscayne)

1955-1958 GM Full Size Disc Brake Kit W/ 8" Dual Zinc Booster Conversion Kit (Impala, Bel Air, Biscayne)

Catalog Number: DB504
Price:  $879.79

Full Size Chevy 1955-58 Complete Stock Height Disc Brake Kit Includes

  • 11" Rotors
  • Large Single Bore GM Calipers w/ Pads
  • Caliper Brackets
  • Hoses with Banjo Bolts
  • Bearings
  • Seals
  • Dust Caps
  • Spindle Nuts
  • Spindle Washers
  • all Hardware

1955-1958 GM Full Size 8" Dual Zinc Booster Conversion Kit (Impala, Bel Air, Biscayne)


  • 1" Bore Dual Bail Cast Iron Master Cylinder
  • Brass Proportioning Valve Kit for Left Mount
  • 8" Dual Zinc Booster w/ Firewall Brackets
  • Pedal Extension & Clevis

Fits by Year, Make, Model:
1955 Chevrolet Bel Air
1956 Chevrolet Bel Air
1957 Chevrolet Bel Air
1958 Chevrolet Bel Air
1958 Chevrolet Biscayne
1958 Chevrolet Del Ray
1955 Chevrolet One-Fifty Series
1956 Chevrolet One-Fifty Series
1957 Chevrolet One-Fifty Series
1955 Chevrolet Two-Ten Series
1956 Chevrolet Two-Ten Series
1957 Chevrolet Two-Ten Series
1958 Chevrolet Brookwood
1955 Chevrolet Nomad
1956 Chevrolet Nomad
1957 Chevrolet Del Ray
1957 Chevrolet Nomad
1958 Chevrolet Impala
1958 Chevrolet Nomad
1958 Chevrolet Yeoman

Part Number=DBK5558LXB-GMFS1-205
Application Type=Disc/Drum
Minimum Order=1
Application Specific=Yes
Country of Origin=China
Safety Material=None
Master Cylinder Material=Cast Iron
Master Cylinder Bail Type=Dual Bail
Master Cylinder Finish=Natural
Master Cylinder Port Sizes=9/16-18"" & 1/2-20
Master Cylinder Built In Residual Valves=No
Master Cylinder Bore Size=1
Proportioning Valve Type=Disc/Drum
proportioning Valve Location=Left Mount
Booster Bracket Finish=Zinc
Brake Booster Type=Vacuum Diaphram
Brake Booster Diameter=8"" Dual
Brake Booster Material=Steel
Brake Booster Finish=Zinc
Pedal Rod Included=Yes
Mounting Bracket Included=Yes
Application Notes=Disc/Drum
Front Rotor Included=Yes
Rear Rotor Included=No
Rotor Construction=Vented
Front Rotor Style=Cross Drilled & Slotted
Rotor Dimensions=11.0 in.
Rotor Thickness=1.0 in.
Front Caliper Included=Yes
Rear Caliper Included=No
Front Caliper Material=Cast Iron
Front Caliper Finish=Powder Coated Black
Front Caliper Piston=Single Large Piston
Parking Brake Provision=No
Parking Brake Cabels Included=No
Minimum Required Wheel Diameter=15
Front Spindles Included=No
Ride Height=Stock
Brake Hoses Included=Yes
Brake Hose Material=Rubber
Application Notes=5x4.75 Bolt spacing on rotor w/ 7/16"" studs. Disc/ Drum applications direct bolt on. No modifications needed.