Wilwood Brakes Dynapro Radial-MC4 Rear Parking Brake Kit 140-14090
Wilwood Brakes Dynapro Radial-MC4 Rear Parking Brake Kit 140-14090 Wilwood Brakes Dynapro Radial-MC4 Rear Parking Brake Kit 140-14090 Wilwood Brakes Dynapro Radial-MC4 Rear Parking Brake Kit 140-14090 Wilwood Brakes Dynapro Radial-MC4 Rear Parking Brake Kit 140-14090 Wilwood Brakes Dynapro Radial-MC4 Rear Parking Brake Kit 140-14090 Wilwood Brakes Dynapro Radial-MC4 Rear Parking Brake Kit 140-14090

Wilwood Brakes Dynapro Radial-MC4 Rear Parking Brake Kit 140-14090

$2,488.99 ea
Condition: NEW
Estimated arrival: 10/06/2020 (If Ordered Today)
4 available from WILWOOD ENGINEERING as of 05/04/2020
Supplier has not provided any fitment data for this product.
Shipping Note:Standard Delivery

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Muscle Cars & Classics always recommends professional installation of our products. Buyer assumes risk of damage caused by improper installation.

Dynapro 4 Radial-MC4 Rear Axle Kits replace the factory disc brakes and use the MC4 parking brake assembly as a compliment to front big brake upgrades on late model high performance vehicles. High capacity braking from the Dynapro Radial calipers, BP-10 compound pads, and oversized 12.88" rotors are matched to the OE master cylinder output, ABS function, and individual vehicle bias requirements. Enhanced brake performance, increased durability, and high-tech style compliment big wheel, tire, and suspension upgrades on customized vehicles and all others with increased brake requirements.

Fitment Notes

About Wilwood Engineering

Wilwood Engineering designs and manufactures high-performance disc brake systems. Since the company’s inception in 1977 by Bill Wood, we have developed a substantial matrix of brake components and engineering techniques that allow us to quickly and reliably create brake systems for almost any application. Our core ability is the rapid development of custom engineered brake systems using a combination of off-the-shelf and custom components. In addition to designing and manufacturing brakes for all types of competitive motor sports, Wilwood also manufactures brake systems and components for agricultural equipment, industrial applications, utility vehicles, snowmobiles, quads, motorcycles and military vehicles.

With headquarters in Camarillo, California, Wilwood employs approximately 250 people. We have on-shelf stock of more than 300 different brake calipers, 200 rotor designs, 100 master cylinder designs and a wide assortment of brackets, fittings, valves and brake lines. Our off-shelf brake calipers range in size from tiny calipers used on go-carts and light duty industrial equipment, to heavy duty original equipment brakes for the U.S. military Humvee.

Wilwood's engineering department uses the latest computer-aided design and manufacturing techniques in conjunction with finite element analysis, dynamic test and cycle test equipment, to find high-performance and reliability solutions for the most difficult braking tasks. Our extensive inventory of proprietary on-the-shelf components allow us to provide cost-effective solutions for unique brake applications.

Wilwood is ISO 9000 compliant and has extensive experience maintaining quality levels of 100ppm or less for original equipment manufacturers.


Download Name File Size
Kit Components & Specs / Rotor Hats
Stud Diameter - BC 2 0.520
Hat - Part No 170-11937
Type Big Brake Hat - Flared Bell
Material Aluminum
Finish Color Black E-Coat
Hat Offset Dimension (in) 1.500
Bolt Circle 1 5 X 4.50
Bolt Circle 2 5 X 4.75
Stud Diameter - BC 1 0.520
Stud Diameter - BC 3 0.000
Kit Components & Specs / Rotors
Width (in) 0.81
Vane Count 48 CV
Design Type GT
Bedded No
Dynamically Balanced Yes
Outside Diameter (in) 12.88
Left Hand - Part No 160-9960
Right Hand - Part No 160-9959
Type GT 48 Curved Vane
Style GT Slotted
Surface Finish Plain
Material Iron
Parts & Accessories / Caliper Parts
O-ring Kit 130-2579
Replacement Piston 1 200-8439
Replacement Piston 2 200-8439
CrossOver O-Ring Kit 130-10540
Wear Plate - Left Hand 300-5876
Wear Plate - Right Hand 300-5876
Pad Retainer 300-9636
Bleed Screw Kit 220-0627
Bridge Bolt Kit 230-10118
Parts & Accessories / Hat
Bolt Kit 230-8008
Parts & Accessories / Brake Lines
Front Line Kit 220-15021
Kit Components & Specs / Calipers
Piston Area (In²) 1.98
Left Hand - Part No 120-14091-BK
Right Hand - Part No 120-14091-BK
Type Narrow Dynapro Radial Mount
Finish Color Black Powder Coat
Piston Count 4
Piston 1 Bore (in) 1.12
Piston 2 Bore (in) 1.12
Piston Type Stainless
Mount Type Radial
Brake Pad Plate 7812
Brake Pad Area (In²) 6.36
Brake Pad Volume (In³) 2.1
Pad Compound BP-10
Kit Summary
Axle Offset 0.00
Mount Type Radial
Caliper Type 4 - Black Powder Coat
Rotor Diameter 12.88
Min Wheel Diameter Req'd* 17
Rear End Axle OEM

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