PowerStop K4539-26 Z26 Front Brake Kit for 71-96 GM Caprice/Impala/LeSabre

Regular price: $353.95
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Product Specification:

SKU:PSBK4539-26

MPN: K4539-26

UPC: 792088988522

Weight: 57.9 lb

Inventory: 2

Type: Brake Kits - Performance D&S

Vehicle Fitment

1971-1973 Buick Centurion
1971-1976 Buick Electra, Estate Wagon, LeSabre, Riviera
1971-1975 Chevrolet Bel Air
1971-1972 Chevrolet Biscayne
1971-1974 Chevrolet Blazer (RWD)
1972-1976 Cadillac Calais, DeVille
1973-1976 Cadillac Fleetwood; 1977-1984 Fleetwood Limousine; 1993-1996 Fleetwood (models with 2¾" wide rear shoes)
1990 Cadillac Brougham (RWD, with 12 in. rear drums); 1991-1992 Brougham (2¾" wide rear shoes)
1992-1993 Cadillac Commercial Chassis (RWD); 1994-1996 Commercial Chassis
Additional GMC, Oldsmobile, and Pontiac full-size B/C-body and van/pickup applications from this era are documented by PowerStop but were not fully confirmed in the sources available to me - see note below

Fitment Notes

This fitment list is incomplete. Retailer data indicates this kit also covers additional 1970s-1990s GM full-size platforms - including Chevrolet Caprice/Impala, Oldsmobile Delta 88/98, Pontiac Bonneville/Catalina/Grandville, GMC/Chevrolet G-series vans, and C/R-series pickups/Suburbans - but I could not verify the exact year ranges and rear-brake sub-variants for each without direct access to PowerStop's fitment database.
Several applications split by rear drum/shoe width (e.g., "12 in. rear drums" vs. "2¾" wide rear shoes") - this is a common differentiator on this platform family and must be confirmed per vehicle.
Front axle only.
Do not publish this listing as a complete fitment reference - run the full VIN or year/make/model/submodel list through PowerStop's official fitment tool before finalizing.

Features

Z26 Street Warrior carbon-fiber ceramic front brake pads
Friction compound resists fade at temperatures up to 1,500°F
Higher, more consistent brake torque than original equipment pads
Drilled and slotted front rotors for improved heat dissipation
Low-dust, low-noise pad formulation
Pre-matched pad and rotor components engineered to work together
Premium stainless-steel installation hardware included

Specifications

Position: Front
Pad Material: Carbon-fiber ceramic (Z26)
Rotor Style: Cross-drilled and slotted
Rotor Material: Iron

Included Components

2x Front Drilled & Slotted Brake Rotors
1x Front Z26 Carbon-Fiber Ceramic Brake Pad Set w/Hardware

Product Description

The PowerStop K4539-26 is a front Z26 Street Warrior brake upgrade built for a wide range of classic and vintage GM full-size platforms spanning the early 1970s through the mid-1990s, including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac full-size sedans, wagons, vans, and light trucks that share a common front brake architecture from this era.

The Z26 pad compound offers stronger, more consistent bite than a typical replacement pad, and the drilled-and-slotted rotor design helps vent heat and gas buildup under hard braking - useful on these heavier, full-size platforms. Stainless-steel hardware is included for a straightforward bolt-on install.

Because this kit spans such a wide range of years, divisions, and body styles, exact fitment can vary by rear brake configuration (drum width, shoe width) even within the same model year. Confirming your specific vehicle's rear brake specs against PowerStop's fitment tool is strongly recommended before ordering.