Rear Brake Kit – Part No: 140-13323-R
Call (805) 388-1188
Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit
Prod #: 140-13323-R
Price: $2,261.75
Rear Brake Kit - Rear Kit


Kit Contents
Wilwood Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit Parts Laid Out - Red Powder Coat Caliper - GT Slotted Rotor Wilwood Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit Parts Laid Out - Red Powder Coat Caliper - GT Slotted Rotor Zoom Image


View Custom Caliper Colors

Kit Summary
Rear End Axle: Big Ford Bronco
Axle Offset: 2.36
Mount Type: Radial
Caliper Type: 4 - Red Powder Coat
Rotor Diameter: 12.88
Min Wheel Diameter Req'd*: 17
*This Brake Kit may fit 17-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 889545019872

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


Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit

These versions of Forged Narrow Superlite 4R rear disc kits provide the ultimate Big Brake solution for Bronco 65-77 rear axles with Big Ford flange and bearing. (normally: OE 11 inch diameter brakes and 3300 GVW.) Each includes a high efficiency drum style parking brake assembly. FNSL4R four piston calipers, 13” or 14” two-piece rotors, and high performance BP-10 compound pads provide optimized and balanced braking to compliment front big brake upgrades available for Bronco platform. The neatly hidden internal shoe system provides a clean installation with superior static holding power for parking. Optional caliper finishes and rotor designs allow builders to personalize the style and performance for every application.


Fitment & Installation Details

Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit Assembly Schematic

Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit Assembly Schematic Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit Assembly Schematic Zoom Image

Rear End / Axle Housing Flange
Confirm The Configuration!

Big Ford Bronco Flange 		Confirm Offset Measurement!

Axle Flange Cross-Section
Search Rear Kits By Rear End/Axle Offset
caution AXLE OFFSET: 2.36
Check the diagram above and verify this measurement. This kit may be available in several different offsets.
Please call Wilwood with any questions: (805) 388-1188

Wheel Clearance Assembly Instructions

Wheel Clearance Diagram Wheel Clearance Diagram Zoom Image
Part 1
Notes





Compatible Vehicles for this Brake Kit

BRAKE KIT:   Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit

This Brake Kit is Compatible with the Following Vehicle Makes:  

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

REAR END:   Big Ford Bronco - Rear Kit

AXLE OFFSET:   2.36

For a Complete Listing including ALL Makes, Models and Years, Please click on the Axle Offset.
fitment 1
Offset: 2.36


Kit Components & Specifications
Calipers
Left Hand - Part No: 120-11782-RD
Right Hand - Part No: 120-11782-RD
Type: Forged Narrow Superlite 4R
Finish Color: Red Powder Coat
Piston Count: 4
Piston 1 Bore (in): 1.12
Piston 2 Bore (in): 1.12
Piston Area (In²): 1.98
Piston Type: Stainless
Mount Type: Radial
Brake Pad Plate: 7416
Brake Pad Area (In²): 8.2
Brake Pad Volume (In³): 3.8
Pad Compound: BP-10
Forged Narrow Superlite 4R Caliper - Red Powder Coat Forged Narrow Superlite 4R Caliper - Red Powder Coat Zoom Image
Rotors
Left Hand - Part No: 160-12962-GTB
Right Hand - Part No: 160-12961-GTB
Type: GT 48 Curved Vane
Style: GT Slotted
Surface Finish: Black Electro Coat
Material: Spec-37 Iron
Outside Diameter (in): 12.88
Width (in): 1.10
Vane Count: 48 CV
Design Type: GT-BLK
Bedded: No
Dynamically Balanced: Yes
GT 48 Curved Vane - Spec-37 Iron - Black Electro Coat GT 48 Curved Vane - Spec-37 Iron - Black Electro Coat Zoom Image
Rotor Hats
Hat - Part No: 170-13326
Type: Parking Brake Hat - Standard
Material: Iron
Finish Color: Black E-Coat
Hat Offset Dimension (in): 1.540
Bolt Circle 1: 5 x 5.50
Bolt Circle 2:
Bolt Circle 3:
Stud Diameter - BC 1: 0.640
Stud Diameter - BC 2: 0.000
Stud Diameter - BC 3: 0.000
Parking Brake Hat - Standard - Iron - Black E-Coat Parking Brake Hat - Standard - Iron - Black E-Coat Zoom Image
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: 130-2579
Replacement Dustboot: N-A
Replacement Piston 1: 200-8439
Replacement Piston 2: 200-8439
Replacement Piston 3: N-A
Replacement Piston 4: N-A
CrossOver O-Ring Kit: 130-10540
Crossover Tube: N-A
Self-Bleeder Tube: N-A
Bridge Bolt Kit: 230-17553
Wear Plate - Left Hand: 300-6596
Wear Plate - Right Hand: 300-6595
Pad Retainer: N-A
Bleed Screw Kit: 220-0627
Brake Lines
Parking Brake Cable: 330-9371
Hat
Bolt Kit: 230-8217
Hub
Bolt Kit:
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Version: 3.05 June 23, 2023