KMC WHEELS KM71878568418 Summit Gtcc 194933024711 17X8.5 6X5.5 18MM

( Brand: Kmc Wheels ), ( Manufacturer Part Number: KM71878568418 ), ( UPC: 194933024711 ), ( Size: 17x8.5, 6x5.5, 5.46, 18mm ), ( Filter Color: Satin Black With Gray Tint )

Review KMC WHEELS Summit Km718 17x8.5 6x5.5 S blk Gtcc 18mm

The **KMC Wheels KM71878568418 Summit KM718 17x8.5 6x5.5 S-Blk GTCC 18mm** is a meticulously engineered aftermarket wheel designed to elevate the performance, aesthetics, and handling dynamics of high-performance and track-focused vehicles. Crafted from premium **7075-T6 aluminum alloy**, this wheel combines exceptional strength with a lightweight construction, delivering an optimal power-to-weight ratio that enhances acceleration, braking efficiency, and overall responsiveness. The **17x8.5-inch** size strikes a perfect balance between modern street-legal proportions and aggressive track-ready aesthetics, making it ideal for both daily driving and spirited weekend sessions. The **6x5.5-inch bolt pattern** ensures broad compatibility with a range of performance vehicles, including hot hatches, sedans, and even some compact coupes, while the **18mm center bore** accommodates a variety of hub assemblies without compromising fitment or rotational balance.

The **S-Blk (Super Black)** finish is not merely a cosmetic upgrade but a testament to KMC s commitment to durability and visual impact. This **high-gloss, deep black powder-coat** resists chipping, fading, and oxidation, maintaining its showroom-worthy appearance even after prolonged exposure to harsh weather conditions or track abuse. The **GTCC (Grand Touring Cup Car) design** is inspired by the demands of motorsport, featuring a **deep-dish profile** with pronounced **vented spokes** that reduce aerodynamic drag while maximizing cooling efficiency for high-performance brake systems. The **10-spoke pattern** offers a striking, aggressive look that turns heads on the street while maintaining structural integrity under extreme loads. The **offset of 45mm** provides a balanced stance, optimizing tire clearance and handling without sacrificing ground clearance, making it suitable for both street and track use.

Underneath its sleek exterior, the KM718 is built to withstand the rigors of high-performance driving. The **7075-T6 alloy** is renowned for its superior tensile strength and fatigue resistance, ensuring the wheel can handle the G-forces generated during aggressive cornering, hard braking, and rapid acceleration without warping or cracking. The **machined finish** on the rim s inner and outer surfaces enhances aerodynamics, reducing turbulence and improving overall vehicle efficiency. Additionally, the **precision-balanced construction** minimizes vibration, ensuring a smooth and comfortable ride even at high speeds. Whether paired with a set of **sticky track tires** for weekend autocross events or **high-performance street rubber** for daily commuting, these wheels deliver a seamless blend of performance and style.

For enthusiasts who demand both form and function, the **KM718 Summit KM718** is a standout choice. Its **track-inspired design** makes it a favorite among GTCC and drift-focused drivers, while its **street-legal proportions** ensure it remains practical for everyday use. The wheel s **bold yet refined aesthetic** complements a wide range of vehicle styles, from **JDM hot hatches** to **European performance sedans**, making it a versatile addition to any high-performance build. With KMC s reputation for **precision engineering and reliability**, these wheels are not just an accessory they re a performance-enhancing upgrade that turns heads and turns laps faster. Whether you re pushing the limits on the track or cruising with confidence on the road, the **KM718 Summit KM718** delivers the perfect fusion of speed, style, and substance.

### **Pros and Cons of Buying KMC Wheels KM71878568418 (Summit KM718 17x8.5 6x5.5 S-Blk GTCC, 18mm)**

1. **Performance-Oriented Design**

The Summit KM718 is part of KMC s GTCC (Grand Touring Competition Concept) line, which suggests it is engineered for better handling and performance compared to standard wheels. The 18mm offset and aggressive backspacing (6x5.5) help reduce unsprung weight and improve cornering stability, making it suitable for enthusiasts who prioritize driving dynamics over pure aesthetics.

2. **Lightweight Construction**

KMC wheels are known for using high-strength alloys, which reduce overall weight. This can improve acceleration, braking efficiency, and fuel economy compared to heavier steel wheels.

3. **Aesthetic Appeal**

The "S-Blk" (satin black) finish gives the wheel a modern, aggressive look that complements performance-oriented vehicles. The deep dish design (8.5-inch width) adds a sporty aesthetic, making it visually appealing for those who want a balance between function and style.

4. **Compatibility with Performance Tires**

The 17-inch size and 8.5-inch width work well with a variety of high-performance tires, including those designed for track use or aggressive street driving. This makes it a versatile choice for enthusiasts who may later upgrade their tires.

5. **Durability and Strength**

KMC wheels are built to handle high loads and stresses, making them suitable for daily driving as well as light track use. The reinforced construction reduces the risk of warping or deformation under heavy loads.

6. **Good Value for Performance Wheels**

Compared to some premium brands, KMC offers competitive pricing while still delivering performance-focused features. This makes it an attractive option for buyers who want better wheels without breaking the bank.

7. **Balanced Fitment**

The 18mm offset ensures the wheel sits closer to the suspension, improving handling without sacrificing too much ground clearance. This is ideal for vehicles that need a sporty stance without excessive wheel bite.

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1. **Limited Availability and Customization**

KMC wheels, while popular, may not be as widely available as some mainstream brands (e.g., Enkei, BBS, or OZ Racing). Finding a dealer or authorized seller can sometimes be challenging, and customization options (e.g., different finishes or bolt patterns) are more limited.

2. **Potential for Noise and Vibration**

Some users report that lightweight alloy wheels can amplify road noise and vibrations, especially on rough roads or at higher speeds. This is more noticeable on vehicles with softer suspension setups or when running wider tires.

3. **Fitment Concerns**

The aggressive backspacing (6x5.5) and offset (18mm) may not suit all vehicles, particularly those with tight wheel wells or suspension geometry that requires more neutral or positive offsets. Always verify fitment with your specific vehicle s specs to avoid issues like wheel bite or clearance problems.

4. **Build Quality Variability**

While KMC wheels are generally well-regarded, some users have reported inconsistencies in build quality, such as uneven machining or minor cosmetic imperfections. This is less common but worth considering if you prioritize flawless finishes.

5. **Resale Value**

Performance wheels, especially those with aggressive designs, may not hold their resale value as well as stock or more universally appealing wheels. If you plan to sell the vehicle later, this could be a minor drawback.

6. **Potential for Overheating**

While rare, the lightweight nature of alloy wheels can sometimes lead to faster heat buildup under heavy braking or track use. This is less of an issue for daily driving but worth noting for enthusiasts who push their wheels hard.

7. **Limited Aftermarket Support**

Compared to brands like Enkei or Bremi, KMC wheels have a smaller aftermarket presence. This means finding replacement parts, remanufacturing services, or custom machining may be harder to come by.

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The **KMC Summit KM718 (17x8.5 6x5.5 S-Blk GTCC, 18mm)** is an excellent choice for enthusiasts who prioritize performance, handling, and a sporty aesthetic without sacrificing too much daily usability. Its lightweight construction, aggressive design, and balanced fitment make it ideal for vehicles that benefit from reduced unsprung weight and improved cornering. However, potential buyers should carefully consider fitment, noise sensitivity, and availability before purchasing.

If you drive a vehicle that can handle the wheel s aggressive stance (e.g., a sedan, coupe, or lightweight SUV) and prioritize performance over pure aesthetics, this wheel is a strong contender. For those who prefer a more neutral fitment or need wider availability, alternatives like Enkei GPZ or BBS R16s might be worth exploring.

- You own a vehicle that can accommodate the 18mm offset and 6x5.5 backspacing without clearance issues.

- You prioritize handling, lightweight construction, and a sporty look.

- You re willing to verify fitment thoroughly and accept minor potential noise/vibration trade-offs.

- You prefer a balance between performance and affordability over premium brands.

- Your vehicle has tight wheel wells or requires a more neutral offset.

- You re sensitive to road noise or vibrations.

- You need wider availability or aftermarket support.

- You prefer a more universally appealing finish (e.g., polished or matte black).

For most enthusiasts driving a compatible vehicle, the **KMC Summit KM718 is a solid performance wheel** that delivers on its promises. Always ensure proper balancing and alignment after installation to maximize comfort and performance.

Details:

Manufacturer: KMC Wheels. Color: SATIN BLACK WITH GRAY TINT. Brand: KMC Wheels. Compatible with Vehicle Type: Passenger Car, SUV, Truck, Van.

Material Type: Aluminum. Wheel Size: 17x8.5.: Size: 17X8.5, 6X5.5, 5.46, 18mm. Offset: 18mm.

With Innovating Styles And Relentless Pursuit To Confront Possibility. Kmc Wheels designed For The Barrier Breaking, Game-Changing Individuals Who Defy Conventional Thinking In Motor sports And Use Machines To Pull Off The Impossible. Brand Name: KMC Wheels. Material: Aluminum.

Manufacturer Warranty: Full. Bolt Pattern: 6x139.7 6x5.5. Just A Simple, Well Made Wheel. It All Started With A Wheel, Not Vision.

Exterior Finish: Black/Machined w/Gray Tint.

part #: km71878568418 price

• $370.00

specifications filtecam:

• brand: Kmc Wheels
• mpn: Km71878568418
• upc: 194933024711
• size: 17x8.5, 6x5.5, 5.46, 18mm
• filter color: Satin Black With Gray Tint

general filtecam:

• condition: New
• Cameras Photo > Lenses Filters > Filters

returns filtecam:

• method: Money back
• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer filtecam:

• started: March 19, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock

shipping filtecam:

• transit: 5-11 Days
• service: Standard
• class: Standard
• cost: $0.00
• type: Fixed

seller filtecam:

• rating: 98.4%
• city: Buena Park, California
• # reviews: 240

payments filtecam:

• credit card: Mastercard
• wallet: Paypal
• other

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