305/30R19 Nankang AR-1 (AR1) 102Y XL Semi Slick Track Day Tyres - Road Legal E-Marked List 1B MSUK | 305 30 19 | 305/30 R19 | UHP Motorsport Racing Tyre (Sold Individually)

305/30R19 AR-1 102Y XL semi slick - road approved competition rubber, sold individually

Chase faster laps with the AR-1 in 305/30R19. This ultra high performance, street-legal semi slick delivers relentless dry grip, razor-sharp steering feel and consistent performance session after session. Perfect for regular circuit users, time attack, sprint and club racers who still need an E-marked tyre they can drive to and from the venue.

We run these ourselves and our customers love the dependable pace, stability and wear pattern. If you want a no-nonsense track-focused 19 inch option that simply works, this is it.

Why enthusiasts choose the AR-1

• Size: 305/30R19 102Y XL - also searched as 305 30 19, 305/30 R19, 305-30-19
• Street approved competition tyre - E-marked, MSUK List 1B compliant
• Single compound with approx. 5.5 mm starting tread for repeatable pace
• 100TW construction in 17 inch and up features a Kevlar reinforcement for extra stability on high-energy circuits like Nürburgring and Spa
• Designed for dry performance - ideal for serious track day use and lap time hunting
• Trusted in series such as M3 Cup, 330 Challenge and Classic VW Cup, plus podiums in CSCC New Millennium and 750MC Club Enduro

Set-up guidance

Dial in the car and the AR-1 rewards you with superb grip and consistency.

• Best temperature window: roughly 71 to 104 degrees Celsius
• Camber: typically between -1.0 and -3.0 degrees depending on platform and driving style
• Hot pressures as a starting point:
  • 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

Fitting and balancing tips

• Use the yellow balance mark: align the dot with the valve to help minimise wheel weights on both steel and alloy rims
• EU grip, efficiency and noise data available on request

Perfect for

• Track day drivers wanting a dependable 19 inch semi slick
• Fast road users who want a road-legal track compound for dry conditions
• Time attack, hillclimb, sprint and club-level circuit racing where List 1B tyres are permitted

Professional installation

Need expert fitting, alignment or a track set-up? Book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and availability.

Sold individually. 305/30R19 102Y XL - semi slick, UHP, circuit-ready, road approved.