305/30R20 NANKANG AR-1 103Y XL Motorsport Tyres Road Legal (sold individually)

Chase faster laps with a street legal semi slick in 305/30R20. This 305 30 20 size delivers serious circuit performance with the convenience of driving to and from the venue. Ideal for track days, club racing, time attack and fast road use.

• Size: 305/30 R20
• Load and speed: 103Y - XL extra load
• Sold individually - add 2 or 4 to basket for pairs or a full set

Why enthusiasts choose AR-1 for 20 inch fitments

• Semi-slick tread design for outstanding dry grip and sharp steering feel
• Single compound across the range for predictable balance and consistency
• 5.5 mm tread depth when new for quicker warm-up and stable handling
• 100TW construction on 17 inch and above from 2019 production with kevlar lining for improved stability and consistency on high-intensity circuits such as Nürburgring and Spa
• MSA List 1B approved and road legal for dual-use builds

Proven in UK club motorsport

Run as a control tyre in the M3 Cup, 330 Challenge and Classic VW Cup, with podiums in open-tyre series including CSCC New Millennium and 750MC Club Enduro. We run these on our own builds and our customers love the lap-after-lap consistency, confidence on turn-in and durable performance for sprint, circuit and endurance events.

Perfect for

• Track day cars needing repeatable performance
• Time attack and sprint competitors aiming for PBs
• Fast road cars wanting a road-usable competition tyre

Operating guidance

• Optimum temperature window: 71 to 104 degrees Celsius
• Camber: between -1.0 to -3.0 degrees depending on setup
• Hot pressures by vehicle weight:
  • Under 800 kg: 23 to 27.5 psi
  • 800 to 1000 kg: 24 to 32 psi
  • 1000 to 1400 kg: 27.5 to 37 psi
  • Over 1400 kg: 34 to 42 psi

Fitment note

• Align the yellow dot with the valve stem to aid balancing on both aluminium and steel wheels
• EU grip, efficiency and noise ratings available on request

Professional fitting and setup

Need these mounted with correct geometry and pressures for your car and circuit? Book fitting and alignment with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

Search-friendly terms: 305/30/20 semi slick, 305 30 R20 track day tyre, 20 inch competition tyre, 305-30-20 performance tyre, AR1 305 30 20, street legal racing tyre, time attack tyre, List 1B tyre, 103Y XL.