# Front Disc Brake Rotors Pair For Hyundai Sonata Kia Optima Magentis K8-100391

Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance, tensile strength and steel hardness providing unmatched braking performance, 100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed, Cross-Hatched smooth surface to improve the pad's ability to grip the rotor surface, especially during initial brake applications or in wet conditions, Double disc ground finish eliminates lateral run-out and DTV (disk thickness variation) issues on the rotor and improves pad-rotor bed-in, Tested for maximum tolerance to voluminous amount of constant thermal cycles, CNC-Machined to the tightest tolerances to guarantee manufacturing precision and accuracy, Thickness and Metallurgy electronically validated for manufacturing consistency, Best matched with CMX, TEC, SIM or PPF brake pads, Kit Includes: 2x Front Disc Brake Rotor (Both Side)

## Details

- **Price:** 89.46 CAD
- **Vendor:** CMX
- **Type:** Wheel Bearing And Hub Assembly Kit
- **Tags:** AG31384 CR31384 PR31384 31384 YH145581C YH145581 120.50010 BR31384 KI-947 2031384 ONZ0191 248880323 348880323 748880323 126139 Q31384 980323FZN 980323R 980323 A31384, CMX, Front

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 89.46 CAD | In stock |

## Images

- K8-100391_CMX_Front

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/front-disc-brake-rotors-pair-for-hyundai-sonata-kia-optima-magentis-k8-100391)
> Updated: 2026-06-02