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Wilwood Brakes GP320 Midget Front Brake Kit 140-11808

Wilwood Brakes GP320 Midget Front Brake Kit 140-11808
Wilwood Brakes GP320 Midget Front Brake Kit 140-11808Wilwood Brakes GP320 Midget Front Brake Kit 140-11808Wilwood Brakes GP320 Midget Front Brake Kit 140-11808Wilwood Brakes GP320 Midget Front Brake Kit 140-11808Wilwood Brakes GP320 Midget Front Brake Kit 140-11808
$2,130.99 ea
NEWOut of stock with WILWOOD ENGINEERING as of 09/30/2022
Model: 3924627
Supplier has not provided any fitment data for this product.
[More Info]

The GP320 System features Wilwood’s competition proven dynamic rotor mount system, specially treated Super Alloy lightweight steel alloy rotors, and the highly efficient clamping force of the GP320 billet caliper for the most positive and fade-free performance available for sprint racing.Component Features: GP 320 Billet Aluminum 4 Piston Calipers with Four small pistons provide balanced distribution of the pad load for improved response and longer pad wear. Super Alloy Rotors: Unlike ceramic coatings that can flake away from the base metal during high heat cycling, Wilwood’s Super Alloy material controls heat transfer and provides a durable surface that can generate high friction for long, trouble-free duty cycles without the need for recoating. Dynamic mounting with Wilwood’s t-nut system isolates all thermal stress and distortion at the rotor mounting points caused by the different temperatures and expansion rates between the lightweight alloy steel rotor and the aluminum rotor mount plate. The rotors stay flatter and run truer to eliminate any possibility of pad knock-back or deflection. Dynamic Mount Rotor Plate: Lightweight billet alloy plate is machined with the slots to accept the rotor bolt t-nuts and adapt the rotor directly to 3 bolt sprint hubs. Wilwood 6211-CM Brake Pads A rigid caliper mounting bracket with premium grade fasteners and shim washers are included for secure, deflection free mounting.

Fitment Notes

1. Front Mount Brake Kit: Caliper brackets included with kit mount caliper to the front of spindle (3 and 9 o'clock position)

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 / Rotors
Bedded No
Design Type Alloy Scalloped
Dynamically Balanced No
Left Hand - Part No 160-11217
Material Super Alloy
Outside Diameter (in) 10.50
Right Hand - Part No 160-11217
Style Drilled
Surface Finish Plain
Type Super Alloy
Vane Count 24 V
Width (in) 0.78
Parts & Accessories / Caliper Parts
Bleed Screw Kit 220-7496
CrossOver O-Ring Kit 130-10540
O-ring Kit 130-3602
Pad Retainer 180-3861
Replacement Piston 1 200-8488
Replacement Piston 2 200-8488
Kit Components & Specs / Calipers
Brake Pad Area (In²) 3.65
Brake Pad Plate 6211
Brake Pad Volume (In³) 1.03
Finish Color Type III Ano
Left Hand - Part No 120-15753
Mount Type Lug
Pad Compound CM - Composite Metallic
Piston 1 Bore (in) 1.25
Piston 2 Bore (in) 1.25
Piston Area (In²) 2.46
Piston Count 4
Piston Type Stainless
Right Hand - Part No 120-15753
Type GP320
Caliper Type 4 - Type III Ano
Mount Type Lug
Rotor Diameter 10.50


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Muscle Cars & Classics 2022