Wilwood Narrow Superlite 6R Front Kit 12.19in Drilled Red 63-87 C10 w/ Wilwood Pro Spindles - 140-15302-R

The unsurpassed braking capacity of the Forged Narrow Superlite 4R four-piston caliper serves as the base of this 12.19” big rotor kit for the popular 1963 thru 1987 Chevrolet & GM C10 / C15 Trucks with Wilwood's new Modular Drop Pro Spindles. SL4 kits are engineered application specific for simplified installation and full compatibility with OE master cylinder output and ABS functions where used. Big brake kits provide increased brake capacity and complimentary style with wheel, tire, and suspension upgrades. Optional caliper finishes and rotor designs simplify personalizing the style and braking requirements of any application.

This Part Fits:

Year	Make	Model	Submodel
1978-1980	Chevrolet	C10	Big Ten
1975-1981	Chevrolet	C10	Cheyenne
1981-1986	Chevrolet	C10	Custom
1975-1980	Chevrolet	C10	Custom Deluxe
1981	Chevrolet	C10	Deluxe
1975-1986	Chevrolet	C10	Scottsdale
1975-1986	Chevrolet	C10	Silverado
1981-1986	Chevrolet	C10 Suburban	Custom
1975-1980	Chevrolet	C10 Suburban	Custom Deluxe
1981	Chevrolet	C10 Suburban	Deluxe
1975-1980,1982,1984-1986	Chevrolet	C10 Suburban	Scottsdale
1975-1980,1982-1986	Chevrolet	C10 Suburban	Silverado
1987	Chevrolet	R10	Custom Deluxe
1987	Chevrolet	R10	Scottsdale
1987	Chevrolet	R10	Silverado
1987	Chevrolet	R10 Suburban	Custom Deluxe
1987	Chevrolet	R10 Suburban	Scottsdale
1987	Chevrolet	R10 Suburban	Silverado
1975-1978	GMC	C15 Suburban	Base
1975-1978	GMC	C15 Suburban	High Sierra
1975-1978	GMC	C15 Suburban	Sierra Classic
1975-1978	GMC	C15 Suburban	Sierra Grande
1979-1986	GMC	C1500	Base
1979-1980	GMC	C1500	Heavy Half
1979-1986	GMC	C1500	High Sierra
1979-1986	GMC	C1500	Sierra Classic
1979-1982	GMC	C1500	Sierra Grande
1979-1982	GMC	C1500	Street Coupe
1979-1986	GMC	C1500 Suburban	Base
1979-1986	GMC	C1500 Suburban	High Sierra
1979-1986	GMC	C1500 Suburban	Sierra Classic
1979-1982	GMC	C1500 Suburban	Sierra Grande
1975-1984	GMC	Jimmy	Base
1975-1984	GMC	Jimmy	High Sierra
1975-1976,1978-1984	GMC	Jimmy	Sierra Classic
1975-1982	GMC	Jimmy	Sierra Grande
1978-1982	GMC	Jimmy	Street Coupe
1987	GMC	R1500	Base
1987	GMC	R1500	High Sierra
1987	GMC	R1500	Sierra Classic
1987	GMC	R1500 Suburban	Base
1987	GMC	R1500 Suburban	High Sierra
1987	GMC	R1500 Suburban	Sierra Classic

Please note image may vary from product, and some items are special order.

Wilwood Engineering is a leader in performance braking systems. They offer rotors, pads, calipers, master cylinders, and even complete brake kits!

About Wilwood Engineering-

Founded in 1977 by Bill Wood, Wilwood Engineering, Inc. has grown to become a leader in designing and manufacturing high-performance disc brake systems. With decades of experience, Wilwood has developed a vast range of brake components and innovative engineering techniques that allow us to create reliable brake systems for virtually any application. Our expertise lies in the rapid development of custom-engineered brake systems, utilizing a unique blend of off-the-shelf and custom-made components.

While we are renowned for crafting brakes for competitive motorsports, our capabilities extend far beyond the racetrack. Wilwood also designs and manufactures braking systems for agricultural machinery, industrial equipment, utility vehicles, snowmobiles, motorcycles, ATVs, and military vehicles, including heavy-duty brakes for the U.S. military’s Humvee. This versatility showcases our commitment to delivering exceptional braking performance across a variety of industries and uses.

Wilwood’s engineering team employs cutting-edge tools such as computer-aided design (CAD), finite element analysis (FEA), and advanced dynamic and cycle testing equipment to ensure that our products deliver the highest levels of performance and reliability. Our proprietary inventory of on-the-shelf components allows us to provide cost-effective, high-quality solutions for even the most complex braking challenges.

As an ISO 9000-compliant company, we pride ourselves on maintaining exceptional quality standards, with extensive experience in achieving original equipment manufacturer (OEM) quality levels at or below 100 parts per million (PPM).

Whether you’re looking for a high-performance brake system for motorsports or a custom solution for industrial and military applications, Wilwood Engineering is committed to delivering unmatched performance, precision, and reliability.

About Fidanza Performance-

​Fidanza Performance, founded in 1997, is a leading US manufacturer of high-quality lightweight aluminum flywheels, precision adjustable cam gears, and high-performance clutches. With nearly 20 years in the automotive performance market, Fidanza is renowned for its expertise and respected globally, offering products for a wide range of vehicles, from European sports cars to modern muscle cars and imports. The company originated in racing, with founder Lou Fidanza's success in the SCCA leading to the creation of specialty parts like aluminum flywheels. Fidanza has since expanded its product line to include cam gears and performance clutches, gaining a loyal customer base and worldwide recognition. In 2023 Fidanza opened the Fidanza Marketplace which sells other manufacturers quality high performance parts!