Wilwood red TX6R rear layout for a 4.63-inch GM/H2 axle register, showing 16-inch slotted rotors, hats, pads and brackets
Wilwood red TX6R rear caliper with a 16-inch slotted rotor and hat for the 4.63-inch GM/H2 axle register
Wilwood red TX6R rear layout for a 4.63-inch GM/H2 axle register, showing 16-inch slotted rotors, hats, pads and brackets
Wilwood red TX6R rear caliper with a 16-inch slotted rotor and hat for the 4.63-inch GM/H2 axle register

Wilwood Rear Red Six-Piston TX6R Brake Package, 16-Inch GM/H2 Rotors with 4.63-Inch Register — Selected 1999–2009 Applications

SKU: 140-13878-R

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Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.

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Product details

The red version of this 16-inch TX6R rear kit is limited to the 4.63-inch axle register. The retained original parking brake and separate hose connections must be checked against the exact GM or Hummer application. Disc brake system design and manufacturing are Wilwood Engineering’s focus. Bill Wood founded the Camarillo, California company in 1977; its range spans brake rotors, master cylinders, calipers, fittings, valves and brake lines for motorsport, specialized and street-performance applications. The choice of individual components depends on the complete brake system.

Technical Details

  • Manufacturer: Wilwood
  • Manufacturer part number: 140-13878-R
  • Kit classification: Rear Brake Kits - Street Performance
  • Axle position: Rear Kits
  • Brake Type: Disc
  • Selling unit: Sold as a kit.
  • Minimum wheel guidance (clearance drawing required): 20 in; 508 mm
  • Required rear axle / flange: OEM
  • Catalog axle-offset reference: 0.00 in; 0 mm
  • Spindle Included: No
  • Mounting Hardware Included: Yes
  • Separate wheel hubs included: No
  • Pistons per service caliper: 6
  • Service-caliper piston construction: Stainless
  • Service-caliper mount: Radial
  • Caliper body construction: Forged aluminum
  • Caliper Color: Red
  • Caliper Finish: Red Powder Coat
  • Caliper Inlet Port Diameter: 1/8-27 NPT
  • Caliper family: TX6R
  • Pad compound: BP-22
  • Master Cylinder Included: No
  • Brake Booster Included: No
  • Brake Lines Included: No
  • Rear hose references requiring confirmation: 220-9811; 220-11196
  • Rotor Outside Diameter: 16.00 in; 406.4 mm
  • Rotor Thickness: 1.38 in; 35.05 mm
  • Rotor Material: Iron
  • Surface Type: GT Slotted
  • Rotor construction: Vented
  • Bolt Circle Diameter: 8 x 6.5 in; 8 x 165.1 mm
  • Catalog stud / mounting-hole reference: 0.640 in; 16.26 mm
  • Rotor surface finish: Black Electro Coat
  • Hat material: Iron
  • Hat finish: Black E-Coat
  • Hat offset dimension: 1.780 in

Fitment & Compatibility

Measure the rear axle center register: this kit requires 4.63 inches and retains the matching OE parking brake. Separate hoses are required. The product listing references 220-9811 and 220-11196, while DS-1093 instead identifies 220-18649 for 2007–2010; have Wilwood confirm the current rear hose kit for the actual year and axle. Front-hose references do not specify the rear connection.

Listed models: Silverado 2500 Pickup; Sierra 2500 Pickup; Suburban 2500; Yukon XL 2500; Silverado 1500 HD Pickup; Silverado 2500 HD Pickup; Sierra 1500 HD Pickup; Sierra 2500 HD Pickup; H2. Use the fitment table below for the individual years, submodels and equipment conditions.

Wilwood product specifications · Installation instructions

With more than 20 years of parts and fitment experience, PMB Performance can help compare the existing brake assembly with the required component.

Years Make Model Submodel Model option Front brakes Rear brakes Kit application Notes
1999-2004 Chevrolet Silverado 2500 Pickup 8 Lug - All w/ 4.63 Center Register Rear Disc Disc Rear Kit 1, 2, 3
1999-2004 GMC Sierra 2500 Pickup 8 Lug - All w/ 4.63 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2000 Chevrolet Suburban 2500 8 Lug - 4 x 4 w/ 4.63 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2000 GMC Yukon XL 2500 8 Lug - 4 x 4 w/ 4.63 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2001-2002, 2006 Chevrolet Silverado 1500 HD Pickup 8 Lug - All Disc Disc Rear Kit 1, 2, 3
2001-2006 Chevrolet Silverado 2500 HD Pickup 8 Lug - All w/ 4.63 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2001-2006 Chevrolet Suburban 2500 8 Lug - All w/ 4.63 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2001-2002, 2006 GMC Sierra 1500 HD Pickup 8 Lug - All Disc Disc Rear Kit 1, 2, 3
2001-2006 GMC Sierra 2500 HD Pickup 8 Lug - All w/ 4.63 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2001-2006 GMC Yukon XL 2500 8 Lug - All w/ 4.63 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2003, 2005 Chevrolet Silverado 1500 HD Pickup 8 Lug - All w/o 4 wheel steering Disc Disc Rear Kit 1, 2, 3
2003, 2005 GMC Sierra 1500 HD Pickup 8 Lug - All w/o 4 wheel steering Disc Disc Rear Kit 1, 2, 3
2003-2006 Hummer H2 Base Base Disc Disc Rear Kit 1, 2, 3
2005-2006 Hummer H2 Adventure Adventure Disc Disc Rear Kit 1, 2, 3
2005-2006 Hummer H2 Luxury Luxury Disc Disc Rear Kit 1, 2, 3
2007-2009 Hummer H2 Adventure Adventure Disc Disc Rear Kit 1, 4, 2, 3
2007-2009 Hummer H2 Base Base Disc Disc Rear Kit 1, 4, 2, 3
2007-2009 Hummer H2 Luxury Luxury Disc Disc Rear Kit 1, 4, 2, 3
2007 Hummer H2 Special Edition Special Edition Disc Disc Rear Kit 1, 4, 2, 3