For the listed Genesis and Kia applications, check engine and transmission wherever specified. For K8491, the 2023 Genesis G70 entry states “3.3L 6-Cyl (Sport Prestige)”; that condition applies to its own row, not every application.
Design and materials
The Z23 Evolution Sport family combines carbon-fiber ceramic pad friction material with drilled, slotted and zinc-plated rotors for daily driving.
- Carbon-fiber ceramic pad formulation
- Dual-layer rubberized pad shims
- Drilled and slotted rotor design with zinc plating
These design details describe the matched PowerStop product family. Confirm the exact package quantities and any separately required hardware for this part number before ordering.
Specifications
| Brand | PowerStop |
|---|---|
| Manufacturer part number | K8491 |
| Product family | Z23 Evolution Sport Brake Upgrade Kit |
| Brake position | Rear |
Vehicle applications
Match the year, make, manufacturer model label, brake position and every condition in the same row. A blank condition cell means no additional condition was supplied for that row; it is not a guarantee for every engine, trim, market or modified brake system. Dimensions in conditions describe the required vehicle configuration unless explicitly stated otherwise.
| Years | Make | Manufacturer model label | Brake position | Fitment conditions | Additional requirements | Application review |
|---|---|---|---|---|---|---|
| 2022 | GENESIS | G70 | Rear | 3.3L 6-Cyl (Launch Edition, Sport Prestige) | Manufacturer-listed application | |
| 2023 | GENESIS | G70 | Rear | 3.3L 6-Cyl (Sport Prestige) | Manufacturer-listed application | |
| 2019-2020 | GENESIS | G70 | Rear | 4 cyl. Engine - Manual Transmission | Manufacturer-listed application | |
| 2025-2026 | GENESIS | G70 | Rear | Base, Sport Advanced, Sport Prestige | Manufacturer-listed application | |
| 2024 | GENESIS | G70 | Rear | Base; Prestige; Sport Advanced; Sport Prestige | Manufacturer-listed application | |
| 2019-2021 | GENESIS | G70 | Rear | V6 Engine | Manufacturer-listed application | |
| 2018-2023 | KIA | STINGER | Rear | V6 | Manufacturer-listed application |
Check current details in PowerStop’s K8491 part lookup and the official Z23 Evolution Sport Brake Upgrade Kit family information.
Before ordering and installation
Compare the exact part number and all vehicle conditions with the installed brake system. Confirm package quantity and any required service hardware separately; this page does not establish a complete box-content count. Follow the vehicle service manual and the applicable PowerStop installation and bedding instructions. Professional installation is recommended.
Browse PowerStop brake products. Related application links: PowerStop K8270, PowerStop Z23-2144, PowerStop Z23-6012. Each linked product has its own fitment; these are not interchangeability claims.
California Proposition 65 Warning
This product can expose you to chemicals known to the State of California to cause cancer or reproductive harm.
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Choose PowerStop brakes by the job the vehicle does and the brake system it already has. This collection includes replacement pads, rotors, matched brake kits, calipers and service components. Start with the exact manufacturer part number or match your vehicle's year, model, axle and brake package before comparing product ranges. Which PowerStop range fits your use? Z16 Evolution and Z17 stock-replacement pads: ceramic options for everyday replacement braking. Z17 adds application-specific installation hardware; check the exact listing rather than assuming every pad set includes the same pieces. Z23 Evolution Sport: carbon-fiber ceramic pads and application-specific kits for daily-driven vehicles. Z26 Street Warrior: carbon-fiber ceramic braking for high-horsepower street cars and muscle cars. Z26 is a street range, not a substitute for a dedicated track compound. Z36 Truck & Tow: components and kits intended for trucks, towing, hauling and demanding loaded use. Brake upgr...
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