1988 GMC P25 Series w/ 11" Rear Drum Brakes - Front Brake Kit Part No.: 140-11290
Call (805) 388-1188
D52 Front Caliper Kit
Prod #: 140-11290
Price: $475.32
Available Brake Kit #140-11290 Configurations
Front Brake Kit — 140-11290


Kit Contents
Wilwood D52 Front Caliper Kit Parts Laid Out - Type III Anodize Caliper Wilwood D52 Front Caliper Kit Parts Laid Out - Type III Anodize Caliper Zoom Image


View Custom Caliper Colors

Kit Summary
Spindle Type: Factory Disc Spindle
Mount Type: Floating
Caliper Type: 2 - Type III Anodize
Rotor Diameter:
Min Wheel Diameter Req'd*:
*This Brake Kit may fit -inch wheels. Please refer to the wheel clearance diagram to check to see if it will fit your specific wheel. Wheel Clearance Diagram
UPC Number
UPC 889545012507

WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Applicable to Brake Pads Only


D52 Front Caliper Kit

Wilwood's D52 Front Caliper Kit is a direct bolt-on 2 piston replacement for the factory original single calipers on many 1968-96 GM Passenger Vehicles and Trucks. Forged billet aluminum bodies, stainless steel pistons, and competition style high-temperature seals put an end to the rust, bore pitting, and seal failures that plague the OE caliper design. D52 calipers provide low-maintenance performance and a huge weight savings with high temperature reliability for the street and track. D52 calipers mount in the stock location over stock rotors, use the original style OE D52 brake pads and an OE 7/16-20 banjo bolt brake line mounting. Calipers can be used with most wheels that clear the OE calipers. The front calipers with 2.00” piston provide 6.28 square inches of piston area per caliper, in order to maintain the original front to rear brake bias and use of the OE master cylinder. Kits contain Wilwood’s hardened slide pins and BP-10 high friction pads. Matching rear calipers are also available for custom installations. Vehicles 1978 & Up (with M10-1.5 banjo bolts) will require new brake lines available below.

1979 Chevy C20 Wilwood D52 Front Caliper Install

Fitment & Installation Details


D52 Front Caliper Kit Assembly Schematic

D52 Front Caliper Kit Assembly Schematic D52 Front Caliper Kit Assembly Schematic Zoom Image


Compatible Vehicles for this Brake Kit
BRAKE KIT:   D52 Front Caliper Kit
SPINDLE TYPE:  
Factory Disc Spindle;
This Brake Kit is Compatible with the Following Vehicle Makes: Buick Cadillac Chevrolet GMC Jeep Oldsmobile Pontiac

Note: Kit may fit other vehicles, call Wilwood Sales⁄Tech Support at (805) 388-1188 for more information.

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Caution
Caution THIS BRAKE KIT HAS A HUB OFFSET OF:
This Hub Offset will move the wheels inward or outward from the fender by this amount on each side of the vehicle
NOTE: Check "Figure 2. Wheel Clearance Diagram" in the installation Instructions below to verify you have adequate wheel clearance for this kit.

Wheel Clearance Assembly Instructions

Wheel Clearance Diagram Wheel Clearance Diagram Zoom Image



Assembly Instructions
Notes





Kit Components & Specifications
Calipers
Left Hand - Part No: 120-10936
Right Hand - Part No: 120-10936
Type: D52
Finish Color: Type III Anodize
Piston Count: 2
Piston 1 Bore (in): 2.00
Piston 2 Bore (in): 2.00
Piston Area (In²): 6.28
Piston Type: Stainless
Mount Type: Floating
Brake Pad Plate: D52
Brake Pad Area (In²): 10
Brake Pad Volume (In³): 3.9
Pad Compound: BP-10
D52 Caliper - Type III Anodize D52 Caliper - Type III Anodize Zoom Image
Rotors
Left Hand - Part No:
Right Hand - Part No:
Type:
Style:
Surface Finish:
Material:
Outside Diameter (in):
Width (in):
Vane Count:
Design Type:
Bedded:
Dynamically Balanced:
Rotor Hats
Hat - Part No:
Type:
Material:
Finish Color:
Hat Offset Dimension (in):
Bolt Circle 1:
Bolt Circle 2:
Bolt Circle 3:
Stud Diameter - BC 1:
Stud Diameter - BC 2:
Stud Diameter - BC 3:
Hubs
Hub - Part No:
Type:
Material:
Finish Color:
Mount Style:
Bolt Circle 1:
Bolt Circle 2:
Bolt Circle 3:
Stud Diameter - BC 1:
Stud Diameter - BC 2:
Stud Diameter - BC 3:

Parts & Accessories
Caliper Parts
O-ring Kit: 130-11509
Replacement Dustboot: N-A
Replacement Piston 1: 200-10932
Replacement Piston 2: N-A
Replacement Piston 3: N-A
Replacement Piston 4: N-A
CrossOver O-Ring Kit: N-A
Crossover Tube: N-A
Self-Bleeder Tube: N-A
Bridge Bolt Kit: N-A
Wear Plate - Left Hand: N-A
Wear Plate - Right Hand: N-A
Pad Retainer: N-A
Bleed Screw Kit: 220-0627
*Brake Lines Needed
1988 GMC P25 Series
220-15868
Hat
Bolt Kit:
Hub
Bolt Kit:
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Version: 3.05 June 23, 2023