Wilwood Forged Narrow Superlite 6R Big Front Brake Kit – 140-16908-R
Upgrade your braking performance with the Wilwood Forged Narrow Superlite 6R (FNSL6R) Big Front Brake Kit 140-16908-R, engineered for serious stopping power in high-performance street and track applications. Built with six-piston calipers, massive 14-inch GT slotted rotors, and a lightweight forged design, this kit delivers the perfect balance of strength, heat dissipation, and precision braking control.
Whether you’re building a pro-touring car, modern muscle upgrade, or a performance street machine, Wilwood’s FNSL6R kit offers superior clamping force, reduced fade, and improved pedal feel over OEM systems.
Key Features
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Forged Narrow Superlite 6R Calipers – Six-piston design for maximum braking force and even pad wear.
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14″ GT Slotted Rotors – High-carbon iron for superior thermal stability and braking consistency.
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Lightweight Forged Construction – Reduces unsprung weight for better handling.
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Performance Brake Pads – Optimized for street and light track use.
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Stainless Steel Pistons – Resist corrosion and minimize heat transfer to brake fluid.
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Complete Bolt-On Kit – Includes calipers, rotors, pads, mounting brackets, and hardware.
Specifications
| Specification | Details |
|---|---|
| Brand | Wilwood |
| Part Number | 140-16908-R |
| Series | Forged Narrow Superlite 6R |
| Position | Front |
| Caliper Type | Six-piston |
| Rotor Diameter | 14.00″ |
| Rotor Type | GT slotted |
| Rotor Material | High-carbon iron |
| Piston Material | Stainless steel |
| Brake Pads Included | Yes |
| Mounting Hardware Included | Yes |
| Finish | Red powder coat calipers |
| Application | Performance street, autocross, and track |
Applications
Ideal for:
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Pro-Touring Muscle Cars
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Performance Street Cars
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Autocross & Light Track Use
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Custom Builds requiring big brake upgrades
Frequently Asked Questions (FAQs)
1. Will this kit fit my vehicle without modifications?
Wilwood designs each kit for specific applications. Check the Wilwood fitment guide to confirm compatibility before ordering.
2. Are these rotors directional?
Yes. The slotted design is directional for optimal cooling and debris removal.
3. What type of brake fluid should I use?
A high-temperature DOT 4 fluid is recommended for best performance.
4. Is this kit good for track use?
Yes, it’s ideal for street performance and light to moderate track duty. For heavy racing, Wilwood offers dedicated race pads.
5. Do I need to upgrade my rear brakes too?
While not required, matching rear performance brakes will optimize balance and stopping power.
