Rear Brake Kit – Part No: 140-14883
Call (805) 388-1188
Forged Narrow Superlite 4R-MC4 Big Brake Rear Parking Brake Kit
Prod #: 140-14883
Price: $2,327.20
Rear Brake Kit - Rear Kit


Kit Contents
Wilwood Forged Narrow Superlite 4R-MC4 Big Brake Rear Parking Brake Kit Parts Laid Out - Black Powder Coat Caliper - GT Slotted Rotor Wilwood Forged Narrow Superlite 4R-MC4 Big Brake Rear Parking Brake Kit Parts Laid Out - Black Powder Coat Caliper - GT 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: 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 889545083927

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


Forged Narrow Superlite 4R-MC4 Big Brake Rear Parking Brake Kit

FNSL4R rear big brake kits provide high capacity braking with contemporary styling for high performance street and show Corvettes , and all other custom built vehicles equipped with 1988-1996 C4 Corvette rear suspension. The original equipment single piston combination caliper is replaced with a high efficiency, forged aluminum narrow Superlite four-piston caliper for normal braking, and an auxiliary MC4 mechanical caliper for the parking brake. Rotor size is increased from 12.00" to 12.88", adding brake leverage and cooling capacity while complimenting the look inside custom wheel and tire upgrades.


Fitment & Installation Details

Forged Narrow Superlite 4R-MC4 Big Brake Rear Parking Brake Kit Assembly Schematic

Forged Narrow Superlite 4R-MC4 Big Brake Rear Parking Brake Kit Assembly Schematic Forged Narrow Superlite 4R-MC4 Big Brake Rear Parking Brake Kit 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
1. For production model Corvettes, use parking brake cable kit 330-14891 and flexline kit 220-8177.
2. For custon built vehicles using an adapted 1988-1996 rear suspension, use parking brake cable kit 330-9371 and specify the flexline length required.



Compatible Vehicles for this Brake Kit

BRAKE KIT:   Forged Narrow Superlite 4R-MC4 Big Brake Rear Parking Brake Kit

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

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: 120-11876-BK
Right Hand - Part No: 120-11876-BK
Type: Forged Narrow Superlite 4R
Finish Color: Black 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-20
Forged Narrow Superlite 4R Caliper - Black Powder Coat Forged Narrow Superlite 4R Caliper - Black Powder Coat Zoom Image
Rotors
Left Hand - Part No: 160-9960-GTB
Right Hand - Part No: 160-9959-GTB
Type: GT 48 Curved Vane
Style: GT Slotted
Surface Finish: Black Electro Coat
Material: Iron
Outside Diameter (in): 12.88
Width (in): 0.81
Vane Count: 48 CV
Design Type: GT-BLK
Bedded: No
Dynamically Balanced: Yes
GT 48 Curved Vane - Iron - Black Electro Coat GT 48 Curved Vane - Iron - Black Electro Coat Zoom Image
Rotor Hats
Hat - Part No: 170-10231
Type: Big Brake Hat - Flared Bell
Material: Aluminum
Finish Color: Black E-Coat
Hat Offset Dimension (in): 1.200
Bolt Circle 1: 5 x 4.50
Bolt Circle 2: 5 x 4.75
Bolt Circle 3:
Stud Diameter - BC 1: 0.520
Stud Diameter - BC 2: 0.520
Stud Diameter - BC 3: 0.000
Big Brake Hat - Flared Bell - Aluminum - Black E-Coat Big Brake Hat - Flared Bell - Aluminum - 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:
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:
 		220-8177
Parking Brake Cable: 330-14891
Hat
Bolt Kit: 230-8008
Hub
Bolt Kit:
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Version: 3.05 June 23, 2023