Stoptech 227.66041R Disc Brake Rotor - Rear Right

StopTech Select Sport Rear Brake Rotor

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotor is built for drivers who want stronger initial bite and a cleaner, performance-focused look at the rear axle. Part number 227.66041R is a vented, 325 mm rear right rotor with a zinc-coated finish for added corrosion resistance and longer service life.

Key Features

• Cross-drilled and slotted surface for improved pad bite and consistent braking feel
• Zinc coating helps protect against corrosion
• Vented rotor construction for heat management
• 325 mm outside diameter with 6-lug, 5.5-inch bolt circle fitment
• Rear right application for select Chevrolet and GMC trucks, SUVs, and vans
• StopTech Select Sport line focuses on performance-oriented street use

Product Details

StopTech Select Sport rotors are part of the brand’s performance street line, combining drilled and slotted machining with a corrosion-resistant finish. This rotor measures 12.795 inches in outside diameter, 3.358 inches in overall height, and 0.787 inches nominal thickness, with a 0.728-inch discard thickness. The straight-vane vented design supports heat dissipation, while the floating/DIH disc mounting style and 78.7 mm center hole diameter match the listed applications. Part number 227.66041R is a direct-fit rear right disc brake rotor for vehicles such as the Chevrolet Silverado 1500 and GMC Sierra 1500 in the confirmed fitment list.

This part cross-references no listed interchange numbers for the same application.

What It Helps Address

• Brake fade during repeated stops
• Reduced initial pad bite from worn or plain rotors
• Surface corrosion on exposed brake components
• Uneven braking feel caused by rotor wear
• Out-of-spec rear rotor replacement needs on select Chevrolet Silverado 1500 and GMC Sierra 1500 models

Installation Notes

Fits 2007 Chevrolet Silverado 1500 Classic, rear right; 2007 GMC Sierra 1500 Classic, rear right; 2005-2006 Chevrolet Silverado 1500, rear right; 1999-2001 Chevrolet Silverado 1500, rear right; 2005-2006 GMC Sierra 1500, rear right; 1999-2001 GMC Sierra 1500, rear right; 2003-2005 Chevrolet Astro, rear right; 2003-2005 GMC Safari, rear right; 2004 Chevrolet Silverado 1500, rear right, 6 lug wheels, 2 wheel steering, 325 mm rear disc; 2004 GMC Sierra 1500, rear right, 6 lug wheels, 2 wheel steering, 325 mm rear disc; 2002-2003 Chevrolet Silverado 1500, rear right, 2 wheel steering, 325 mm rear disc; 2002-2003 GMC Sierra 1500, rear right, 2 wheel steering, 325 mm rear disc; 2002 Chevrolet Avalanche 1500, rear right, single piston rear caliper; 2001-2002 Chevrolet Suburban 1500, rear right, except limited slip axle; 2001-2002 Chevrolet Tahoe, rear right, except limited slip axle; 2001-2002 GMC Yukon, rear right, except limited slip axle; 2002 GMC Yukon XL 1500, rear right, except limited slip axle; 2001 Chevrolet Silverado 1500, rear right, except limited slip rear end; 2001 Chevrolet Silverado 1500 HD, rear right; 2001 GMC Sierra 1500, rear right, except LSD; 2001 GMC Sierra 1500 HD, rear right; 2000-2001 GMC Yukon XL 1500, rear right, except limited slip axle; 2000 Chevrolet Suburban 1500, rear right, except limited slip axle; 2000 Chevrolet Tahoe, rear right, except limited slip axle; 2000 GMC Yukon, rear right, except limited slip rear axle. Verify rotor diameter, axle configuration, and rear caliper setup before installation. Replace brake components in matched pairs when service procedures call for it.

Quality Assurance

StopTech is known for performance brake components, and the Select Sport line uses drilled and slotted rotor construction with a protective zinc finish to support durability in street-driven applications. Part number 227.66041R is specified for the listed fitments and dimensions above.