NHRA has partnered wtih Carlisle Transportation Products in sponsorship of the Pro Stock Snowmobile series in 2013. This "heads-up" quarter mile drag racing Pro-Stock Snowmobile Series is sanctioned within NHRA Division 1 and has the NHRA designation of Prostock Snowmobile- P/SS. The racing format allows for two qualifying sessions for 16 qualified spots followed by "Pro" ladder eliminations. The Championship Series is comprised of a six race schedule run in conjunction with five Lucas Oil Divisional events and one Sony/PC Richard.com National Open and is fully funded by sponsors. Now, beginning the fourth year, the popular Snowmobile Drag Racing series has recorded participation growth and increasing interest from spectators. Pro Stock Snowmobiles will continue to be included in the sportsman ranks. The races are held at some of the Northeast's most famous and historic tracks, adding prestige and legitimacy to this most interesting spectator racing event. Pro Stock Snowmobile is contested in Virginia at Virginia Motorsports Park, Lebanon Valley Dragway near Albany, NY, in the Province of Quebec at Napierville Dragway, and Epping, NH at New England Dragway. Atco Dragway and Old Bridge Township Raceway Park host the Series in New Jersey, while Cecil County Dragway holds the event in Maryland. Division 1 has been quick to promote the continued growth and acceptance of the Pro Stock Snowmobile Championship Series. Carlisle Transportation Products manufactures specialty tire and drive belts, employing more than 4400 associates in the U.S. and around the globe in 12 facilities located in 6 countries.