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LS 12 Inch Brake Kits & LS Brake Parts

Parts for putting 4th gen F-Body rear disc brakes on an early GM 10 or 12 bolt rear end. The adapter plates let the late model F-Body backing plates, rotors and calipers bolt to your existing axle housing, and the conversion cable kit ties those brakes into the emergency brake system you already have.

  • Uses 4th gen F-Body rear brakes
  • For C-clip car style 10 and 12 bolt axles
  • E-brake cable kit available

Read the rear 12 inch disc brake install guide before you order. It shows where the spacers go and what to do with a staggered shock setup.

12 inch F-Body rear brake parts

Mount the brakes

The rear brake adapter plates come as a pair and set the spacing between the axle housing flange and the F-Body backing plate, so the rotor and caliper line up.

Keep the parking brake

The conversion cable kit connects the 4th gen F-Body rear brakes to the emergency brake system already in the car.

Rear brake adapter plates

Emergency brake conversion

What comes in the rear brake adapter kit

  • Two rear brake adapter plates. Driver and passenger sides are the same part.
  • The 4th gen Camaro backing plates, rotors and calipers are not included.

Rear brake fitment notes

  • Works with most C-clip, car style 10 and 12 bolt axles.
  • Does not work with truck style axles.
  • The guide is written for 1967-1969 Camaro and Firebird and 1964-1972 Chevelle rear ends.
  • Keeping the factory staggered shock setup? You need two left side calipers and two left side backing plates.

How the install goes

  • Pull the factory 10 or 12 bolt brakes and backing plates. The cover, cross pin, C-clips and axle shafts come out too.
  • Bolt on the 4th gen Camaro backing plates with a spacer between each axle flange and backing plate.
  • Reinstall the axles, C-clips, cross pin, cover and gear oil, then fit the rotors and calipers.
  • Snug each rotor with a few lug nuts and check the caliper to rotor clearance.

Notes from the product listings and the BRP rear 12 inch disc brake install guide.

F-Body rear disc brake conversion FAQ

Will these plates fit my 12 bolt truck rear end?

No. The adapter plates work with most C-clip, car style 10 and 12 bolt axles and do not work with truck style axles.

Do the adapter plates include the brakes?

No. The kit is the two plates. You supply the 4th gen Camaro style backing plates, rotors and calipers, and the guide shows how they go together.

Can I keep my staggered rear shocks?

Yes, but plan on two left side calipers and two left side backing plates. Without the staggered setup, use one left and one right of each.

How do I keep a working parking brake?

Add the E-Brake Conversion Cable Kit. It connects the 4th gen F-Body rear brakes to your existing emergency brake system.