Wilwood's Dynalite FDL Pro-Series rear disc kit is a turnkey rear brake upgrade for classic muscle car axles, featuring forged billet four-piston calipers, 12.19-inch one-piece drum/rotors and high-friction pads for consistent braking and strong parking-hold via a hidden internal shoe system. Optional caliper finishes and rotor patterns help match build aesthetics. Intended for Chevy 12-bolt rear axles with a 3.15-inch bearing.
Wilwood Forged Dynalite P/S Park Brake Kit Chevy 12 Bolt-Spec 3.15in Bearing