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The Wilwood TX4R rear brake kit for 1999–2018 Chevrolet Silverado and GMC Sierra updates rear braking with a 16 x 1.25" slotted rotor paired to a four-piston Wilwood caliper. This direct-fit replacement is intended as a bolt-on upgrade for improved rotor cooling and pad bite compared with basic OE rotors, retaining vehicle-specific fitment for those model years.
Wilwood 99-18 Chevy Silverado/GMC Sierra 16x1.25 Slotted Rotor TX4R 4 Piston Rear Brake Kit
