Wilwood TX4R Big Brake Truck Rear Brake Kit | 2000-2018 Silverado & Sierra 1500 (OE Single Piston Rear Brake) Clearance the other thing i noticed

the other thing i noticed is they are not turning the outer diameter

size matters

- Give you over a 30-pound reduction over the factory K-member and engine mounts

Adjustable panhard bar to keep the rear axle centered

PART# RA5303X5-V2/RA5304X5-E-V2

Wilwood TX4R Big Brake Truck Rear Brake Kit | 2000-2018 Silverado & Sierra 1500 (OE Single Piston Rear Brake) Clearance the other thing i noticedTX4R Big Brake Truck Rear Brake Kit Wilwoods Tactical Extreme TX4R Big Brake kits are ultimate in braking performance for Truck, SUV and Armored Vehicles. Using TX4R radial mount six piston calipers and massive 15. 50, 1 piece, GTB alloy rotors, these kits deliver consistent stopping power and extreme duty durability under sustained high heat with this ready to bolt on kit. The calipers are volume matched for compatibility with original equipment