300/680/18 GoodYear Slick TYRE GT

1. Product introduction

The GoodYear Slick Circuit 300/680R18 GT tyre is a competition tyre intended exclusively for circuit use. Previously marketed under the Dunlop brand, this GT slick is designed to deliver high grip, precision and consistency on dry tracks.

2. Role of the part

The slick tyre provides the direct link between the vehicle and the track. Its smooth tread maximises the contact patch to improve traction, lateral grip, braking stability and cornering speed. On a GT racing car, choosing the correct size and compound is essential to making effective use of the chassis, brakes and engine power.

3. Symptoms or consequences of a worn or faulty part

• Loss of grip under acceleration, braking or cornering loads
• Longer braking distances
• Reduced steering precision
• Uneven wear caused by wheel alignment settings, pressures or temperatures
• Reduced lap time performance and lack of consistency over stints
• Increased risk of punctures, delamination or loss of control in the event of excessive wear

4. Benefits of replacement

• Restores optimal grip on dry tracks
• Better traction on corner exit
• More stable and effective braking
• More precise and consistent handling during performance driving
• Can be adapted to track conditions through the various available compounds
• Product suited to demanding GT competition use

5. Specifications

• Brand: GoodYear, formerly Dunlop
• Model: Circuit Slick
• Size: 300/680R18
• Type: GT competition slick tyre
• Range: Slick
• Use: circuit only, dry conditions
• Available compounds: Soft, Medium, Medium +, Hard
• Width: 12.5
• Diameter: 687 mm
• Overall width: 333 mm
• Tread: 297 mm
• Weight: 11.04 kg
• Possible references: 300/680R18 GY Slick GT 03A2, 300/680R18 GY Slick GT 03B2, 300/680R18 GY Slick GT 03B3, 300/680R18 GY Slick GT 03C1

6. Vehicle compatibility

This GoodYear 300/680R18 GT slick tyre is compatible with competition vehicles, GTs, trackday cars and modified cars accepting size 300/680R18 on 18-inch wheels, subject to validation of wheel widths, wheel arch clearances, wheel alignment settings, operating pressures and regulations applicable to the entered category.

• Compatibility: GT racing vehicles and circuit cars fitted with 18-inch wheels
• Fitting: to be checked against the wheel, vehicle and sporting regulations
• Road use: not road-legal, restricted to competition and circuit use

7. Conclusion

The GoodYear Slick Circuit 300/680R18 GT is a high-performance competition tyre, ideal for seeking grip, precision and efficiency on dry tracks with a GT car or suitable circuit build.