SSBC-USA A125-27 Sport R1 Rear Drum to Disc Brake Conversion Kit
SSBC-USA A125-27 Sport R1 Rear Drum to Disc Brake Conversion Kit
SSBC-USA

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#86012527

SSBC-USA A125-27 Sport R1 Rear Drum to Disc Brake Conversion Kit

  • GM Full Size 10/12 Bolt Rear Disc Brake Conversion Kit
  • Sport R1 Single-Piston Aluminum Calipers w/ Internal Parking Brake
  • Includes dimple drilled, slotted and plated 11.25" rotors
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$1,728.00

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Product Summary

GM 8.2 Inch 10-Bolt Chevy 55-64, GM 8.5 Inch 10-Bolt

  • GM Full Size 10/12 Bolt Rear Disc Brake Conversion Kit
  • Sport R1 Single-Piston Aluminum Calipers w/ Internal Parking Brake
  • Includes dimple drilled, slotted and plated 11.25" rotors
  • Includes braided stainless flex lines
  • Includes high performance pads
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Key Specs

MFG. Part #A125-27
PositionRear
Wheel Bolt Pattern (in.)5x4.75 in.
Wheel Bolt Pattern (mm)5x120.65 mm
Rotor Diameter11.25 Inch
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SSBC-USA A125-27 Details

The GM A125-27 Full Size 10/12 Bolt Rear Disc Brake Conversion Kit – Sport R1 is a high-performance upgrade designed for superior stopping power and durability. This kit features lightweight, USA-made Sport R1 single-piston aluminum calipers with an internal parking brake and a clear anodized finish. It includes 11.25-inch dimple-drilled, slotted, and plated rotors, high-performance brake pads, and braided stainless flex lines for added strength and reliability. All necessary hardware is included for installation. Note: This kit is not compatible with C-clip eliminators, and buyers should consult the wheel fitment diagram before purchase to ensure proper clearance.

  • GM Full Size 10/12 Bolt Rear Disc Brake Conversion Kit
  • Sport R1 Single-Piston Aluminum Calipers w/ Internal Parking Brake
  • Includes dimple drilled, slotted and plated 11.25" rotors
  • Includes braided stainless flex lines
  • Includes high performance pads
  • All hardware included
  • Will not work with C-clip eliminators
  • Calipers MADE IN THE USA

Specs

The caliper piston pin needs to be aligned with the notch in the pad to avoid fitment issues.

Warranty Information

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SSBC-USA warrants to the original purchaser that our products are free from defects in workmanship and material under normal use, driving conditions, and service for a period of one year, except stainless steel parts, which are warranted against corrosion for as long as the original purchaser owns the vehicle. SSBC-USA parts used in race applications, such as rotors and brake pads, and improperly installed components are not warranted. Components which are purchased from other suppliers and resold by SSBC-USA shall conform to the warranty policy of that supplier.

SSBC-USA A125-27 Specifications

KEY SPECS
MFG. Part #A125-27
BrandSSBC-USA
PositionRear
Wheel Bolt Pattern (in.)5x4.75 in.
Wheel Bolt Pattern (mm)5x120.65 mm
Rotor Diameter11.25 Inch
Rotor TypeSolid
Caliper PistonsOne
Caliper FinishNatural
Parking Brake ProvisionYes
Minimum Recommended Wheel Diameter15 Inch
Rotor ShapeRound
Hardware IncludedYes
Rotor StyleDrilled & Slotted
Front Rotor IncludedNo
Front Caliper IncludedNo
Rear Caliper IncludedYes
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo
Brake Hoses IncludedYes
Rear Rotor IncludedYes
Bolt Pattern5 on 4.75"
ColorSilver
New or RemanufacturedNew
GENERAL
Sold in QuantityPair
GTIN Code00810048991884
Brake Pads IncludedYes
Parking Brake StyleMechanical Caliper
Rear Caliper ColorClearcoat
Rear Caliper MaterialAluminum
Rear Caliper Piston QuantityOne
Rear Rotor ConstructionVented
Rear Rotor Diameter11.25"
Rear Rotor StyleDrilled and Slotted
Rear Rotor Thickness0.94"

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