Nankang JD474 AR-1 Competition Semi-Slick Tire 305/30ZR19 102Y XL

The Nankang AR-1 is a DOT-approved competition semi-slick tire designed for serious track enthusiasts hunting lap times. With its 100 treadwear rating and race-focused compound, this tire bridges the gap between street legal and full race slick performance.

Track-Focused Design Features:

• Special bevel pattern design and large shoulder blocks for improved tire stiffness and cornering grip
• Wide center ribs enhance steering precision and responsiveness
• Unique semi-slick compound reduces warm-up time for quicker heat cycling and optimal grip
• Optimized tread with wider contact patch for superior high-speed stability
• Kevlar lining in 17-inch and larger sizes for enhanced consistency and durability on demanding circuits
• Molded at 5.5mm (6/32-inch) tread depth for extended track life

Competition Proven:

The AR-1 serves as a control tire in championships including BMW 1 Series SuperCup, Civic Challenge, and Classic VW Cup, while achieving podium finishes in open tire series such as Tourismo X and 750MC Club Enduro. Designed to handle high-intensity circuits like Nürburgring and Spa-Francorchamps, this tire delivers consistent performance under demanding track conditions.

Size Specifications:

This 305/30ZR19 size features a 102Y XL load and speed rating, with an overall diameter of 667mm, section width of 313mm, and recommended rim width of 11.0 inches. The UTQG rating of 100 AA A reflects its competition-oriented design, prioritizing grip and performance over tread life.

Important Notes:

The Nankang AR-1 is recommended for competition events, track days, autocross, time attack, and HPDE use. For optimal performance, an initial heat cycle break-in procedure is recommended. The tire warms up quickly and provides excellent feedback through the steering wheel, allowing drivers to feel the limit before losing grip.