Motomaster Nordic Icetrac: passenger, studless winter radial.
Features: S speed rating (70-series sizes have Q speed rating); tread designed with deep, see-through grooves and extensive saw-tooth siping to improve traction, especially in wet, slushy conditions.
Sizes: 19, for 13- to 16-inch rims—five 70-series, seven 65-series, six 60-series and P205/55R16 89S.
Nordic Wintertrac: passenger, winter radial.
Features: Q speed rating; aggressive tread design with heavily siped blocks to enhance traction and control, especially on hard-packed snow; pinned for studs.
Sizes: 20 70-, 75- and 80-series sizes to fit 12- to 15-inch rims.
Parnelli Jones
Dirt Grip: light truck radial.
Features: polyester/steel construction; distinctive tread design incorporates the ``PJ'' logo and provides off-road traction while delivering a smooth, quiet ride on the highway.
Sizes: six flotation sizes—33212.50, 36214.50 and 382 15.50 for both 15- and 16-inch rims; 265/70R17 LT.
Regul
Sport Challenger Asymmetrical: passenger, all-season high-performance radial.
Features: H speed rating; tread designed with three distinct zones—high performance, touring and wet/snow traction; additional groove edges provide all-weather traction.
Sizes: 12 60- and 65-series sizes for 14-, 15- and 16-inch rims.
Sport Challenger Directional: passenger, all-season high-performance radial.
Features: H speed rating; UTQG rating—340 AA; high ply turn-up construction stiffens the lower sidewall for quick steering response.
Sizes: seven 50-, 55- and 60-series sizes for 15- and 16-inch rims.