Specifications
- Brand
- Wilwood
- Part #
- 140-15983
- UPC
- 889545094817

Wilwood 70-81 FBody/75-79 A&XBody FNSL6R Frt BBK 14in Rtr Blk Calipers Use w/ Pro Drop Spindle
$2568.78
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Wilwood FNSL6R Front Big Brake Kit with 14in rotors and black calipers. Designed for 70-81 F-Body and 75-79 A&X-Body with Pro Drop Spindles.
Key Features
- Fits 1970-1981 GM F-Body and 1975-1979 GM A & X-Body vehicles when used with Pro-Series drop spindles.
- Features a 14-inch diameter, 1.25-inch thick vented and slotted rotor for improved heat management and consistent stopping.
- Includes Wilwood FNSL6R forged aluminum six-piston calipers for strong, lightweight braking performance.
- Calipers are finished in black powder coat for a durable and aggressive appearance.
- Designed to work with Pro-Series drop spindles for proper fitment and geometry.
- Comes with all necessary components including calipers, rotors, mounting brackets, and brake pads.
Product Details
If you're looking to significantly upgrade the stopping power on your classic GM F-Body (1970-1981) or A & X-Body (1975-1979) and you're already running Pro-Series drop spindles, this Wilwood FNSL6R front big brake kit is a serious consideration. This kit is built around a massive 14-inch rotor and a robust six-piston caliper, designed to handle the demands of spirited driving and provide a substantial improvement over stock braking performance.
At the heart of this kit are the FNSL6R calipers, forged from aluminum for a strong yet lightweight housing. They clamp down on 14-inch diameter, 1.25-inch thick rotors, which are vented and slotted to help dissipate heat and clear away brake dust and gases. This combination means more consistent braking, especially under heavy use, reducing fade and keeping your pedal feel solid. The calipers are finished in a sleek black powder coat, giving your front end a clean, performance-oriented look. This kit is specifically designed to work with Pro-Series drop spindles, ensuring proper geometry and clearance for optimal function.
Included in this comprehensive kit are all the necessary components to get your front brakes upgraded: the calipers, rotors, caliper mounting brackets, and high-performance brake pads. Wilwood is well-known for its braking systems, and this kit represents their commitment to providing well-built, high-performance solutions for classic muscle cars. Remember to consult the manufacturer's installation instructions for specific details regarding brake line connections and bleeding procedures.
Specifications
- Brand
- Wilwood
- Manufacturer Part #
- 140-15983
- UPC
- 889545094817
Frequently Asked Questions
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Wilwood 70-81 FBody/75-79 A&XBody FNSL6R Frt BBK 14in Rtr Blk Calipers Use w/ Pro Drop Spindle
