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Wilwood Forged XRS4R Big Brake Rear Parking Disc Brake Kits 140-18293
Part Number: WIL-140-18293
Wilwood Forged XRS4R Big Brake Rear Parking Disc Brake Kits
Disc Brake Kit, Rear, XRS4R Big Brakes, With Parking Brake, Slotted Rotors, 4-Piston Caliper, Black, Ford 9 in., Big Ford Ends, Kit
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
140-18293
Part Type:
Product Line:
Summit Racing Part Number:
WIL-140-18293
UPC:
889545127058
Position:
Rear
Front Rotor Included:
No
Brake Rotor Bolt Pattern (in.):
Triple 5 x 4.50 in./5 x 4.75 in./5 x 5.00 in.
Brake Rotor Bolt Pattern (mm):
Triple 5 x 114.30mm/5 x 120.65mm/5 x 127.00mm
Differential Case Design Type:
Ford 9 in.
Axle Housing Flange Style:
Big Ford New Style/Torino (3.562 in. x 2.00 in.)
Rear Rotor Included:
Yes
Rear Rotor Style:
Slotted surface
Rear Rotor Construction:
Vented
Rear Rotor Diameter:
12.88 in./327.15mm
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-10
Parking Brake Provision:
Yes
Parking Brake Style:
Internal drum
Minimum Recommended Wheel Diameter (in.):
17 in.
Offset (in.):
2.500 in.
Front Spindles Included:
No
Master Cylinder Included:
No
Brake Booster Included:
No
Remanufactured:
No
Brake Hoses Included:
No
Quantity:
Sold as a kit.
Wilwood Forged XRS4R Big Brake Rear Parking Disc Brake Kits
Engineered to deliver serious stopping power without sacrificing street manners, Wilwood Forged XRS4R Big Brake rear parking disc brake kits combine advanced XRS4R four-piston forged aluminum calipers, large diameter two-piece rotors, and high-performance BP-10 brake pads for optimized rear braking performance. Designed to complement front big brake upgrades, these kits provide balanced braking, improved heat management, and confident pedal feel while retaining a fully functional parking brake system. Lightweight yet exceptionally rigid, the XRS4R caliper features Wilwood's advanced X-Bridge design for increased strength, reduced weight, and enhanced cooling efficiency. With multiple rotor styles, caliper finish options, and application-specific fitment, Wilwood Forged XRS4R rear parking brake kits deliver the ideal blend of performance, reliability, and custom appeal for muscle cars, restomod, and high-performance street machines. Select the kit for your application.
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