Product Summary

Rear Position, Parking Brake Provision, Not Applicable

  • Fits 1978-88 Buick Skylark, 1978-87 Chevrolet El Camino, 1978-83 Chevrolet Malibu, 1978-88 Chevrolet Monte Carlo, 1978-87 Oldsmobile Cutlass, 1978-88 Pontiac LeMans, 1987-88 Pontiac Tempest
  • Converts rear drum brakes to disc on GM 10-bolt rear axles
  • 11 in. plain-face rear rotors with natural-finish single-piston calipers, pads and flex hoses
  • 5x4.75 in. bolt pattern; retains parking brake via mechanical caliper with cables included
  • Requires 15 in. or larger wheels; front AFX brake kits will relocate the wheels out 3/8 in. on each side. Rear kits will relocate the wheels out 1/8 in. on each side. Will not fit lowered vehicles

Rebates Available

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Key Specs

MFG. Part #AFXRD78
PositionRear
Wheel Bolt Pattern (in.)5x4.75 in.
Wheel Bolt Pattern (mm)5x120.65 mm
Parking Brake ProvisionYes
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Need To Know

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The Right Stuff AFXRD78 Details

1978-88 GM G-Body, 10 Bolt, Rear Disc Brake Conversion Kit - AFXRD78

Street Series Kits by The Right Stuff are the most widely used Disc Brake Conversion solution in the Restoration Industry. Stop with confidence using The Right Stuff, leading the way in converting drum brakes to disc since 1989. Add a No-Brainer Brake Line Kit to round out your upgrade and simplfy your installation today!

Features

  • High Quality Natural Finish Brake Calipers
  • Includes High Quality Brake Pads
  • Includes OE Style Standard Rotors
  • Industry Leading Street Series Conversion Kit

Specifications

  • Series: Street
  • Caliper Color: Natural
  • Caliper Piston Quantity: 1
  • Rotor Type: Standard
  • Rear Rotor Diameter: 11 IN
  • Pads Included: Yes
  • E-Brake Cables Included: Yes
  • Fits Wheel Size: 15"+ IN
  • Shocks: Non Staggered

Fitment

  • 1978-1988 Buick Skylark
  • 1978-1987 Chevrolet El Camino
  • 1978-1983 Chevrolet Malibu
  • 1978-1988 Chevrolet Monte Carlo
  • 1978-1987 Oldsmobile Cutlass
  • 1978-1988 Pontiac LeMans
  • 1987-1988 Pontiac Tempest

Rebates

The Right Stuff 15% Off Disc Brake Parts 2026 Sale

TheRightStuff15%Off2026Sale

The Right Stuff 15% Off Disc Brake Parts 2026 Sale, running from July 20, 2026, through October 20, 2026. For a limited time, customers can save up to 15% off on select disc brake parts, making it the perfect opportunity to upgrade your vehicle with high-quality components. Sale prices apply to purchases made during the sale period only.

The Right Stuff AFXRD78 Specifications

KEY SPECS
MFG. Part #AFXRD78
BrandThe Right Stuff
PositionRear
Wheel Bolt Pattern (in.)5x4.75 in.
Wheel Bolt Pattern (mm)5x120.65 mm
Parking Brake ProvisionYes
Minimum Recommended Wheel Diameter15 Inch
Rotor StylePlain Face
Front Rotor IncludedNo
Front Caliper IncludedNo
Rear Caliper IncludedYes
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo
Brake Hoses IncludedYes
Rear Rotor IncludedYes
GENERAL
Sold in QuantityKit
NotesFront AFX brake kits will relocate the wheels out 3/8 in. on each side. Rear kits will relocate the wheels out 1/8 in. on each side. Will not fit lowered vehicles.
GTIN Code00889165106440
Parking Brake Cables IncludedYes
Brake Pads IncludedYes
Caliper ColorNatural
Differential Case Design TypeGM 7.5/7.6/8.5 in.
Parking Brake StyleMechanical Caliper
Rear Caliper ColorNatural
Rear Caliper MaterialCast Iron
Rear Caliper Piston QuantityOne
Rear Rotor ConstructionVented
Rear Rotor Diameter11"
Rear Rotor StylePlain Face

Questions & Answers

Fitment

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