Rear Brake Kit – Part No: 140-15930-D
Call (805) 388-1188
Forged Narrow Superlite 4R Big Brake Rear Brake Kit For OE Parking Brake
Prod #: 140-15930-D
Price: $2,415.40
Rear Brake Kit - Rear Kit


Kit Contents
Wilwood Forged Narrow Superlite 4R Big Brake Rear Brake Kit For OE Parking Brake Parts Laid Out - Black Powder Coat Caliper - SRP Drilled & Slotted Rotor Wilwood Forged Narrow Superlite 4R Big Brake Rear Brake Kit For OE Parking Brake Parts Laid Out - Black Powder Coat Caliper - SRP Drilled & Slotted Rotor Zoom Image


View Custom Caliper Colors

Kit Summary
Rear End Axle: OEM
Axle Offset: 0.00
Mount Type: Radial
Caliper Type: 4 - Black Powder Coat
Rotor Diameter: 14.00
Min Wheel Diameter Req'd*: 18
*This Brake Kit may fit 18-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 889545093650

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


Forged Narrow Superlite 4R Big Brake Rear Brake Kit For OE Parking Brake

Wilwood’s 140-15930 kits use Forged Narrow Superlite 4R four piston calipers are combined with BP-10 or BP-20 compound pads and 14” rotors in this group of big brake kits that are designed for heavy weight and extreme duty vehicles. This group of specialized kits for Jeep Wrangler JL series retain full use of the OE parking brake, master cylinder output, and ABS where used. FNSL4R rear kits provide complimentary style and performance with 14” and larger front brake upgrades in conjunction with wheel, tire, and suspension upgrades. Optional caliper finishes and rotor designs enable the builder to match style and performance on all applications.


Fitment & Installation Details

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

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

Rear End / Axle Housing Flange
Confirm The Configuration!

OEM Flange 		Confirm Offset Measurement!

Axle Flange Cross-Section
Search Rear Kits By Rear End/Axle Offset
caution AXLE OFFSET: 0.00
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 Brake Kit For OE Parking Brake

This Brake Kit is Compatible with the Following Vehicle Makes:   Jeep

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

REAR END:   OEM - Rear Kit

AXLE OFFSET:   0.00

For a Complete Listing including ALL Makes, Models and Years, Please click on the Axle Offset.
fitment 1
Offset: 0.00


Kit Components & Specifications
Calipers
Left Hand - Part No: 120-14055-BK
Right Hand - Part No: 120-14055-BK
Type: Forged Narrow Superlite 4R
Finish Color: Black Powder Coat
Piston Count: 4
Piston 1 Bore (in): 1.38
Piston 2 Bore (in): 1.38
Piston Area (In²): 3.00
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-20
Forged Narrow Superlite 4R Caliper - Black Powder Coat Forged Narrow Superlite 4R Caliper - Black Powder Coat Zoom Image
Rotors
Left Hand - Part No: 160-12886-BK
Right Hand - Part No: 160-12885-BK
Type: SRP Drilled Rotor
Style: SRP Drilled & Slotted
Surface Finish: Black Electro Coat
Material: Iron
Outside Diameter (in): 14.00
Width (in): 0.81
Vane Count: 36 V
Design Type: SRP-BLK
Bedded: No
Dynamically Balanced: Yes
SRP Drilled Rotor - Iron - Black Electro Coat SRP Drilled Rotor - Iron - Black Electro Coat Zoom Image
Rotor Hats
Hat - Part No: 170-13958
Type: Parking Brake Hat - Standard
Material: Iron
Finish Color: Black E-Coat
Hat Offset Dimension (in): 2.200
Bolt Circle 1: 5 x 5.00
Bolt Circle 2:
Bolt Circle 3:
Stud Diameter - BC 1: 0.000
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: 130-2658
Replacement Dustboot: N-A
Replacement Piston 1: 200-7518
Replacement Piston 2: 200-7518
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:
Wear Plate - Left Hand: 300-6596
Wear Plate - Right Hand: 300-6595
Pad Retainer: N-A
Bleed Screw Kit: 220-0627
Brake Lines
Front Line Kit:
 		220-15929
Hat
Bolt Kit: 230-8217
Hub
Bolt Kit:

Additional related products:




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Version: 3.05 June 23, 2023