SKU: K2421 | UPC: 792088525628
Power Stop 03-09 Lexus GX470 Front Z23 Evolution Sport Brake Kit
Upgrade your braking performance with the Power Stop K2421 Z23 Evolution Sport Front Brake Kit, designed for 2003-2009 Lexus GX470 and select Toyota 4Runner models. This complete bolt-on kit includes Carbon-Fiber Ceramic brake pads, drilled and slotted rotors, and premium stainless-steel hardware for immediate stopping power gains. Enjoy cleaner wheels from low-dust pads and reliable heat dissipation that fights rotor cracking and corrosion.
Key Features
- Z23 Carbon-Fiber Ceramic Pads: Deliver smooth, quiet stops with high friction levels and minimal dust buildup to keep alloy wheels spotless
- Drilled and Slotted Rotors: Dissipate brake heat rapidly while slotted surfaces wipe gases and debris for consistent pedal feel and resistance to warping
- Premium Stainless-Steel Hardware: Includes all caliper pins, shims, and clips for a complete, hassle-free installation without extra purchases
- Bolt-On Design: Direct fit replacement requires no modifications, core returns, or special tools for daily drivers seeking track-ready response
- Corrosion-Resistant Finish: Zinc plating on rotors prevents rust even in harsh conditions, ensuring long-lasting appearance and function
Product Notes
- Follow Power Stop recommended 200-mile bed-in procedure for optimal pad-to-rotor bedding and performance
- Low-dust formula reduces wheel cleaning frequency compared to stock organic pads
- Kit weighs 38.5 lbs and ships in a durable box measuring 19 x 19 x 13 inches
Installation Notes
- Professional installation recommended.
- Compatible with factory calipers. torque hardware to spec using a torque wrench
- Includes all necessary shims and abutment clips for secure mounting
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2009 | Lexus | GX470 | Base |
| 2003-2009 | Toyota | 4Runner | Limited |
| 2003-2009 | Toyota | 4Runner | Sport |
| 2003-2009 | Toyota | 4Runner | SR5 |
| 2003-2009 | Toyota | 4Runner | Trail |
Why Choose Power Stop?
- Engineered and tested in the USA for real-world street and track demands
- Proven low-dust pads paired with durable rotors for everyday reliability
- Complete kits save time and money over piecing together individual components
Frequently Asked Questions
- Q: Will this kit fit my 2006 Lexus GX470 with 4.7L V8?
A: Yes, K2421 fits all 2003-2009 Lexus GX470 Base models regardless of engine or 4WD configuration - Q: What rotor size and pad material are included?
A: Features 338mm x 30mm drilled/slotted rotors made from G3000 grade 80 material and Z23 Carbon-Fiber Ceramic pads for fade-resistant performance - Q: What is the warranty coverage?
A: Pads covered by 3-year/36,000-mile friction warranty. rotors by 3-year unlimited mileage against defects
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Single reinforced box 19 x 19 x 13 inches
- Weight: 38.5 lbs





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