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Product Details

Wilwood Brakes

Street Performance GT Slotted Rotor Billet Narrow Superlite 6 Caliper Front Brake Kit (140-7005-R) by Wilwood®. This Brake kit will fit the Flex line kit # 220-7009. The kit is designed to efficiently improve braking. Whether you need it for extreme use on the track or just for daily driving, this Street Performance GT Slotted Brake Kit will provide a long service life and exceptional performance.

Notes: These products are designed to fit OE Factory Spindles.

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Rotor Bolt Circle: 5x3.93"
Caliper Finish: Red Powder Coat
Caliper Construction: Fixed
Caliper Type: 6-Piston
Caliper Body Material: Aluminum
Caliper Mount Type: Lug
Caliper Total Piston Area: 4.04 sq in
Caliper Type: Billet Narrow Superlite (BNSL6)
Minimum Wheel Diameter Required: 431.8mm (17")
Driving Style: Performance / Racing
Material: Aluminum
Hat Bolt Circle 1: 5 x 3.93"
Hat Center Register: 2.29"
Hat Mount Type: Fixed Mount
Hat Offset: 1.1"
Rotor Thickness: 28mm (1.1")
Outside Diameter: 327mm (12.88")
Spindle Type: Factory Disc Spindle
Pad Area: 4.04 sq in
Pad Compound: BP-10
Pad Plate: 7416
Piston Material: Stainless
Rotor Construction: 2-Piece
Rotor Material: Spec-37 Iron
Rotor Style: Slotted
Rotor Type: Vented
Rotor Construction: With Hat
Rotor Finish: Plain
Rotor Vane Type: 48 Curved Vane
Rotor Series: GT


  • Includes GT Slotted rotors, multi-piston calipers, and premium brake pads
  • Rotors feature Spec-37 heavy wall castings
  • Rotors are built from proprietary iron alloy
  • Rotors feature an asymmetrical face slot pattern
  • Ensures maximum braking efficiency
  • Corrosion resistance coating
  • Suitable for high temperature racing to street use
  • Rotors ensure thermal stability and high resistance to warping
  • Rotors provide smooth, vibration-free performance at any speed
  • Long wear rate for sustained high heat braking
  • Proudly manufactured in the United States


  • Calipers PN# 120-13382-RD, Calipers PN# 120-13383-RD, Rotor Hats PN# 170-6990, Rotors PN# 160-12961, Rotors PN# 160-12962


  • Slots help to increase pad bite and improve air circulation
  • Slots create an escape route for debris, dust, gases, and water
  • Slots clean and de-glaze pad surface for optimum pad coefficient of friction
  • Vented type of rotors offer much faster heat dissipation
  • Multi-piston calipers provide clamping force on both sides of the rotor at the same time and uniformly transfer braking force to the brake pads
  • Caliper pistons are hollow to save weight
  • Aluminum caliper body allows for exceptional light weight (up to 40% of weight savings) and ensures superior corrosion resistance
  • Caliper heat-resistant coating prevent cracking and fading
  • Fixed calipers create friction from the brake pads on both sides of the rotor at minimum time interval

A Street Performance GT Slotted Brake Kit by Wilwood is engineered for your specific vehicle and will give you premium brake control you need on the street, track, or during your everyday driving. The kit features GT Slotted rotors, multi-piston calipers, and premium brake pads altogether providing exceptional braking performance and a long service life. Slotted rotors feature an asymmetrical slot pattern for smoother pad engagement. Developed to withstand extreme temperatures, GT rotors possess the highest possible degree of resistance against distortion, warping, cracking, and wear. Regardless of the driving environment, the Street Performance GT Slotted Brake Kit makes stopping as exciting as accelerating.

Fixed calipers by Wilwood offer unmatched stopping power. The pistons in fixed calipers are located on both sides of the disc, allowing for evenly distributed clamping force. They apply more squeezing power and apply it more evenly during braking as force is directly applied to both sides. Multi-piston calipers allow for more even braking and, as a result, less pad distortion. The more number of pistons a caliper has, the more clamping force it provides. Thanks to the evenly distributed pressure, these calipers ensure an even wear pattern along the entire length of the brake pad. Usually these calipers have smaller diameter pistons than single-piston calipers.

The internal vane design of these vented rotors by Wilwood provides excellent heat dissipation during brake cycles. As the wheel spins, the vanes around the edge of the rotor draw air in and pull it through to help cool the rotor. With the extra heat dissipated there will be less brake fade. Slotted rotors by Wilwood are a great alternative to drilled rotors. They serve the same purpose of breaking down hot brake gas but provide better resistance to cracking. The slotted pattern allows for increased pad bite and improved air circulation. The slots help to sweep away water and dust. If you drive hard, race or use your vehicle off-road or for towing purposes, slotted rotors are a perfect choice for you.

Wilwood® Engineering designs and manufactures high-performance disc brake systems. Since founding in 1977, Wilwood has developed a substantial matrix of brake components and engineering techniques that allow us to quickly and reliably create brake systems for almost any application. Their 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.

Part Number:

Warranty Information

Do not drive on untested brakes. Brakes must be tested after installation or maintenance.

  • Make sure pedal is firm: Hold firm pressure on pedal for several minutes, it should remain in position without sinking. If pedal sinks toward floor, check system for fluid leaks. DO NOT drive vehicle if pedal does not stay firm or can be pushed to the floor with normal pressure.
  • At very low speed (2-5 mph) apply brakes hard several times while turning steering from full left to full right, repeat several times. Remove the wheels and check that components are not touching, rubbing, or leaking.
  • Carefully examine all brake components, brake lines, and fittings for leaks and interference.
  • Make sure there is no interference with wheels or suspension components.
  • Drive vehicle at low speed (15-20 mph) making moderate and hard stops. Brakes should feel normal and positive. Again check for leaks and interference.
  • Always test vehicle in a safe place where there is no danger to (or from) other people or vehicles.
  • Always wear seat belts and make use of all safety equipment.

General Warnings:


Disclaimer of Warranty:

Purchasers recognize and understand that racing parts and equipment, such as disc brakes, hubs, etc. and all parts, inventory and services manufactured and/or sold by Wilwood Engineering, Inc. are exposed to many and varied conditions due to the manner in which they are installed and used. Purchasers and Wilwood Engineering, Inc. consciously desire to make their own bargain, irrespective of any court decision and purchasers agree upon good faith and in consideration for being allowed to purchase from Wilwood Engineering, Inc. said parts or services. Purchasers expressly acknowledge and understand that Wilwood Engineering, Inc. does not make any affirmation of fact or promise to purchaser, which relates to said parts, inventory, or services that becomes part of the basis of the bargain between Wilwood Engineering, Inc. and purchasers. Nor does Wilwood Engineering, Inc. make, or cause to be made to purchaser any description of the goods sold to purchaser, nor does Wilwood Engineering, Inc. make, or cause to be made, as part of the basis of the bargain with purchasers, any description or affirmation of fact concerning any sample or model of racing parts, and equipment inventory or service.

As further consideration for purchasers using Wilwood Engineering, Inc. racing parts and equipment any and all inventory and services, purchasers acknowledge that due to the differing conditions and circumstances under which all equipment and parts are installed and used, purchasers are not relying on Wilwood Engineering, Inc. skill or judgment to select or furnish the proper part or equipment. Purchasers expressly affirm they are relying upon their own skill or judgment to select and purchase suitable goods.

Wilwood Engineering, Inc. makes no warranties whatsoever, expressed or implied, oral or written, to purchasers. There is no warranty of merchantability made to purchasers. Wilwood Engineering, Inc. further excludes any implied warranty of fitness with respect to racing and equipment, any and all inventory and service.

It is expressly understood and agreed between purchasers and Wilwood Engineering, Inc. that as part of the bargain between Wilwood Engineering, Inc. and purchasers, and in consideration of doing business with each other, all purchasers take, select and purchase said racing parts, equipment, any and all inventory, or services from Wilwood Engineering, Inc. "as is" and "with all faults" and Wilwood Engineering, Inc. shall always provide purchasers with a full and complete opportunity to examine, at purchasers’ leisure and convenience, any racing parts and equipment, any and all inventory, or services when purchasing or contemplating purchasing from Wilwood Engineering, Inc.

If, and in the event that purchasers expressly or impliedly cause representations, or statements or affirmations of fact contrary to this disclaimer of all warranties, expressed or implied, then purchasers agree to indemnify and hold harmless Wilwood Engineering, Inc. in the event of any claim, demand, or legal action against Wilwood Engineering, Inc. by any purchaser.

Purchasers understand and agree that no officer, director, employee, or salesman of Wilwood Engineering, Inc. has any authority to make any statement contrary to the terms of this agreement. On the contrary, Wilwood Engineering, Inc. disavows any statement contrary to what is herein above written.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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