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.
Minimum wheel diameter - 16"
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Available to the 48 Continental U.S.
Available on all parts, for as long as you own your muscle car.
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Making yesterday's muscle cars handle using today's tech.