255/35R18 NANKANG AR-1 94Y XL Motorsport Tyres Road Legal (sold individually)

255/35R18 AR1 semi slick track day tyre. Street legal. Built for lap time.

Serious about pace and consistency on circuit. This 255 35 18 AR1 delivers relentless dry grip, crisp turn in and rock solid stability while remaining E marked for road use. It is the go to 18 inch semi slick for fast road, club motorsport, time attack, sprints and frequent open pit lane days. Priced per tyre.

Engineered for drivers chasing PBs, the AR1 uses a single 100 TW compound with a 5.5 mm starting tread that gives you predictable breakaway and repeatable performance over long sessions. Current 17 inch and larger production features a Kevlar reinforcement layer for better high speed integrity and heat control on demanding venues like Spa and the Nürburgring. It carries Motorsport UK List 1B approval and full EU labelling.

Trusted in competition. Widely used as a control tyre in one make championships such as the M3 Cup, 330 Challenge and Classic VW Cup, and a proven podium winner in open tyre categories like CSCC New Millennium and 750MC Club Enduro. We have run AR1s ourselves on track and road and our customers consistently report fast warm up, excellent feel and impressive wear for a semi slick.

Why choose this 255/35/18 AR1

• Street legal performance rubber with competition levels of dry grip
• Extra Load 94Y construction for confidence with heavier road cars and aero builds
• Kevlar layer in 17 inch plus sizes for stability and consistency during long stints
• Predictable handling that flatters both seasoned and novice track drivers
• Ideal for fast road to heavy track day use with minimal compromise
• Backed by strong UK club racing results and driver feedback

Size and spec

Size 255/35R18. Load index 94. Speed rating Y. Extra Load construction. Sold individually.

Setup guidance

• Operating temperature window 71 to 104 degrees Celsius
• Recommended static camber for best edge wear and grip minus 1.0 to minus 3.0 degrees depending on chassis
• Target 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

Fitting notes

• Align the yellow balance dot with the valve stem to minimise weights on both steel and alloy wheels
• EU wet grip, fuel efficiency and noise data available on request

Professional installation

Want them fitted and aligned perfectly. Book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and availability.

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