Wilwood AERO4 Big Brake Rear Kits 140-12932 W4A, 14.25x1.10 GT ROTOR, W/ LINES

SKU: WIL140-12932

Disc Brake Kits

Wilwood

Wilwood AERO4 Big Brake Rear Kits 140-12932 W4A, 14.25x1.10 GT ROTOR, W/ LINES

SKU: WIL140-12932

Disc Brake Kits

BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.

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Description

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 20:15:54

Data: v4.2 - Upd: 2026-11-08 20:08:20

Features

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

(keyword: rotor)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s	Wilwood, Wilwood Disc Brakes
StreetFX SKU	wil140-12932
SFX Item ID	4780930
Accounting SKU	wil-140-12932
Manufacturer SKU	140-12932
Manufacturer UPC	889545018165
Alternative References	WIL-140-12932

W4A, 14.25x1.10 GT ROTOR, W/ LINES

Maximize your braking power with AERO4 radial rear disc kits from Wilwood! They provide the ultimate Big Brake solution for muscle car rear axles that require a parking brake. The 4-piston calipers, 2-piece rotors, and high performance BP-10 compound pads deliver both optimized and balanced braking to complement front big brake upgrades on all types of custom, show, and high performance street machines. Plus, the neatly hidden internal shoe system provides a clean installation with superior static holding power for parking. Optional caliper finishes and rotor designs are offered to further personalize style and performance for every application. Order the Wilwood AERO4 Big Brake rear brake kit designed for fitment with your axle and wheel bolt pattern.

Product Attributes
Brand	Wilwood Disc Brakes
Manufacturer's Part Number	140-12932
Part Type	Disc Brake Kits
Product Line	Wilwood AERO4 Big Brake Rear Brake Kits
UPC	889545018165
Position	Rear
Front Rotor Included	No
Brake Rotor Bolt Pattern (in.)	5 x 4.72 in.
Brake Rotor Bolt Pattern (mm)	5 x 119.88mm
Rear Rotor Included	Yes
Rear Rotor Style	Slotted surface
Rear Rotor Construction	Vented
Rear Rotor Diameter	14.25 in./361.95mm
Rear Rotor Thickness (in.)	1.10
Front Caliper Included	No
Rear Caliper Included	Yes
Rear Caliper Piston Quantity	Four
Rear Caliper Material	Forged billet aluminum
Rear Caliper Color	Black
Brake Pads Included	Yes
Friction Material Name	BP-20
Parking Brake Provision	Yes
Parking Brake Style	Internal drum
Minimum Recommended Wheel Diameter (in.)	18 in.
Offset (in.)	0.000 in.
Front Spindles Included	No
Master Cylinder Included	No
Brake Booster Included	No
Remanufactured	No
Brake Hoses Included	Yes
Quantity	Sold as a kit.