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.
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1975 - 1986 | Chevrolet | C10 | Scottsdale | ||
| 1975 - 1980 | Chevrolet | C10 | Custom Deluxe | ||
| 1975 - 1981 | Chevrolet | C10 | Cheyenne | ||
| 1975 - 1986 | Chevrolet | C10 | Silverado | ||
| 1978 - 1980 | Chevrolet | C10 | Big Ten | ||
| 1981 - 1981 | Chevrolet | C10 | Deluxe | ||
| 1981 - 1986 | Chevrolet | C10 | Custom | ||
| 1975 - 1980 | Chevrolet | C10 Suburban | Custom Deluxe | ||
| 1975 - 1980 | Chevrolet | C10 Suburban | Silverado | ||
| 1975 - 1980 | Chevrolet | C10 Suburban | Scottsdale | ||
| 1981 - 1986 | Chevrolet | C10 Suburban | Custom | ||
| 1981 - 1981 | Chevrolet | C10 Suburban | Deluxe | ||
| 1982 - 1982 | Chevrolet | C10 Suburban | Scottsdale | ||
| 1982 - 1986 | Chevrolet | C10 Suburban | Silverado | ||
| 1984 - 1986 | Chevrolet | C10 Suburban | Scottsdale | ||
| 1987 - 1987 | Chevrolet | R10 | Custom Deluxe | ||
| 1987 - 1987 | Chevrolet | R10 | Scottsdale | ||
| 1987 - 1987 | Chevrolet | R10 | Silverado | ||
| 1987 - 1987 | Chevrolet | R10 Suburban | Silverado | ||
| 1987 - 1987 | Chevrolet | R10 Suburban | Scottsdale | ||
| 1987 - 1987 | Chevrolet | R10 Suburban | Custom Deluxe | ||
| 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 | Sierra Classic | ||
| 1979 - 1986 | GMC | C1500 | Base | ||
| 1979 - 1980 | GMC | C1500 | Heavy Half | ||
| 1979 - 1986 | GMC | C1500 | High Sierra | ||
| 1979 - 1982 | GMC | C1500 | Sierra Grande | ||
| 1979 - 1982 | GMC | C1500 | Street Coupe | ||
| 1979 - 1982 | GMC | C1500 Suburban | Sierra Grande | ||
| 1979 - 1986 | GMC | C1500 Suburban | Sierra Classic | ||
| 1979 - 1986 | GMC | C1500 Suburban | High Sierra | ||
| 1979 - 1986 | GMC | C1500 Suburban | Base | ||
| 1975 - 1982 | GMC | Jimmy | Sierra Grande | ||
| 1975 - 1976 | GMC | Jimmy | Sierra Classic | ||
| 1975 - 1984 | GMC | Jimmy | High Sierra | ||
| 1975 - 1984 | GMC | Jimmy | Base | ||
| 1978 - 1982 | GMC | Jimmy | Street Coupe | ||
| 1978 - 1984 | GMC | Jimmy | Sierra Classic | ||
| 1987 - 1987 | GMC | R1500 | Base | ||
| 1987 - 1987 | GMC | R1500 | Sierra Classic | ||
| 1987 - 1987 | GMC | R1500 | High Sierra | ||
| 1987 - 1987 | GMC | R1500 Suburban | Base | ||
| 1987 - 1987 | GMC | R1500 Suburban | High Sierra | ||
| 1987 - 1987 | GMC | R1500 Suburban | Sierra Classic |
For more information on Wilwood part number 140-15302-D, you can visit the official Wilwood website.