Home / Shop / Wilwood Narrow Superlite 4R Rear P-Brk Kit 12.88in Drilled Big Ford 2.00in Off Bronco 5 x 5.50

Wilwood Narrow Superlite 4R Rear P-Brk Kit 12.88in Drilled Big Ford 2.00in Off Bronco 5 x 5.50

SKU: WIL140-13734-D

Disc Brake Kits

WIL Superlite Brake Kit...

Wilwood

Wilwood Narrow Superlite 4R Rear P-Brk Kit 12.88in Drilled Big Ford 2.00in Off Bronco 5 x 5.50

SKU: WIL140-13734-D

Disc Brake Kits

WIL Superlite Brake Kit...

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

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, with a 2.00" axle offset. 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.

Part Type

Disc Brake Kits

Data: v4.2 - Upd: 2026-10-13 21:16:10

Specifications

Product Attributes - UPC: 889545021486
Product Attributes - Brand: Wilwood Disc Brakes
Product Attributes - Position: Rear
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Part Type: Disc Brake Kits
Product Attributes - Offset (in.): 2.000 in.
Product Attributes - Product Line: Wilwood Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kits
Product Attributes - Rear Rotor Style: Cross-drilled/Slotted surface
Product Attributes - Rear Caliper Color: Black
Product Attributes - Parking Brake Style: Internal drum
Product Attributes - Rear Rotor Diameter: 12.88 in./327.15mm
Product Attributes - Rear Rotor Included: Yes
Product Attributes - Brake Hoses Included: No
Product Attributes - Front Rotor Included: No
Product Attributes - Rear Caliper Included: Yes
Product Attributes - Rear Caliper Material: Forged billet aluminum
Product Attributes - Brake Booster Included: No
Product Attributes - Front Caliper Included: No
Product Attributes - Front Spindles Included: No
Product Attributes - Parking Brake Provision: Yes
Product Attributes - Rear Rotor Construction: Vented
Product Attributes - Master Cylinder Included: No
Product Attributes - Axle Housing Flange Style: Big Ford Bronco (3.500 in. x 2.37 in. 5-Lug)
Product Attributes - Manufacturer's Part Number: 140-13734-D
Product Attributes - Rear Rotor Thickness (in.): 1.10
Product Attributes - Rear Caliper Piston Quantity: Four
Product Attributes - Brake Rotor Bolt Pattern (mm): 5 x 139.70mm
Product Attributes - Differential Case Design Type: Ford 9 in.
Product Attributes - Brake Rotor Bolt Pattern (in.): 5 x 5.50 in.
Product Attributes - Minimum Recommended Wheel Diameter (in.): 17 in.

Reference Information

Brand Name/s	Wilwood
StreetFX SKU	wil140-13734-D
SFX Item ID	4404661
Supplier Item Code	4404661
Manufacturer SKU	140-13734-D
Manufacturer UPC	889545021486
Alternative References	12.88in, 2.00in

Compatibility

Application Data

Make	FORD
Model	BRONCO
Submodel	BASE
Beginning Year	1966
Ending Year	1967
Engine Type	L6
Engine Size	3.9L/240
Engine Family	Ford inline 6-cylinder
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	BASE
Beginning Year	1966
Ending Year	1968
Engine Type	V8
Engine Size	4.7L/289
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	BASE
Beginning Year	1966
Ending Year	1972
Engine Type	L6
Engine Size	2.8L/170
Engine Family	Ford inline 6-cylinder
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	BASE
Beginning Year	1968
Ending Year	1974
Engine Type	V8
Engine Size	5.0L/302
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	L6
Engine Size	3.3L/200
Engine Family	Ford inline 6-cylinder
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	CUSTOM
Beginning Year	1975
Ending Year	1977
Engine Type	V8
Engine Size	5.0L/302
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	NORTHLAND
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.0L/302
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	RANGER
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.0L/302
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	ROADSTER
Beginning Year	1968
Ending Year	1968
Engine Type	V8
Engine Size	4.7L/289
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	ROADSTER
Beginning Year	1968
Ending Year	1969
Engine Type	L6
Engine Size	2.8L/170
Engine Family	Ford inline 6-cylinder
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	ROADSTER
Beginning Year	1968
Ending Year	1969
Engine Type	V8
Engine Size	5.0L/302
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	SPORT
Beginning Year	1975
Ending Year	1977
Engine Type	V8
Engine Size	5.0L/302
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	WAGON
Beginning Year	1968
Ending Year	1968
Engine Type	V8
Engine Size	4.7L/289
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	WAGON
Beginning Year	1968
Ending Year	1972
Engine Type	L6
Engine Size	2.8L/170
Engine Family	Ford inline 6-cylinder
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	WAGON
Beginning Year	1968
Ending Year	1973
Engine Type	V8
Engine Size	5.0L/302
Engine Family	Ford small block Windsor
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make	FORD
Model	BRONCO
Submodel	WAGON
Beginning Year	1973
Ending Year	1973
Engine Type	L6
Engine Size	3.3L/200
Engine Family	Ford inline 6-cylinder
Drivetrain	4WD
Application Notes	Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.

Make FORD
Application Notes Big Ford housing end measures, 3.500 in. top bolts center to center, 3.500 in. bottom bolts center to center and 2.375 in. top to bottom bolts center to center.