Stoptech 126.40042SL Disc Brake Rotor - Rear Left

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.40042SL) are engineered for Acura and Honda vehicles, including the Accord, Civic, Integra, and RSX models. These solid, slotted rotors provide consistent braking performance with enhanced heat dissipation and improved pad bite.

• Compatible with Acura and Honda Accord, Civic, Integra, and RSX
• Part Number: 126.40042SL
• Solid rotor design with slotted surface for improved braking
• Coated hat finish for corrosion resistance
• Overall diameter: 10.224 inches (259.7 mm)
• Nominal thickness: 0.354 inches (9.0 mm)
• Discard thickness: 0.315 inches (8.0 mm)
• Floating disc mounting with 5 lug holes
• Weight approximately 8.5 lbs (3.86 kg)

Detailed Product Description

The StopTech Sport Slotted Disc Brake Rotors are designed to meet the demands of daily driving and spirited performance for Acura and Honda vehicles such as the Accord, Civic, Integra, and RSX. Featuring a solid rotor construction with a slotted surface, these rotors help maintain consistent braking by reducing gas buildup and debris between the pad and rotor surface. The coated hat finish enhances corrosion resistance, extending the rotor's service life. With an outside diameter of 10.224 inches and a nominal thickness of 0.354 inches, these rotors provide reliable stopping power while maintaining proper fitment and clearance.

The floating disc mounting design and 5-lug hole pattern with a 4.5-inch bolt circle diameter ensure compatibility with specified vehicle models. The rotor’s overall height measures 1.902 inches, and the center hole diameter is 2.528 inches, matching OEM specifications for a direct replacement. These rotors do not include ABS tone rings or bearings, so they are intended for vehicles with compatible braking systems.

StopTech Sport Slotted Disc Brake Rotors Product Line

The StopTech Sport Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through improved rotor surface design. The slotted pattern on these rotors aids in heat dissipation and pad cleaning, which helps maintain consistent brake feel and reduces the risk of brake fade. This product line is suitable for drivers seeking a balance between everyday usability and performance upgrades on Acura and Honda models.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Acura and Honda Accord, Civic, Integra, and RSX
• Improves braking response by reducing pad glazing and gas buildup
• Helps prevent brake fade during extended or aggressive driving
• Addresses rotor corrosion issues with coated hat finish
• Restores proper rotor thickness and surface condition for safe braking

Installation Notes and Tips

• Ensure rotor discard thickness of 0.315 inches is not exceeded before replacement
• Verify compatibility with vehicle’s lug pattern (5 lug holes, 4.5-inch bolt circle)
• Clean rotor surface before installation to remove any protective coatings
• Check caliper and pad condition during rotor replacement for optimal performance
• Torque lug nuts to manufacturer specifications to avoid rotor warping

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides additional corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. It is recommended to consult the product documentation or manufacturer for exact warranty terms.