Hello this is the Summit SP with NO Electric Start, 165 x 2.5'' x 16'' track! Lots of foot print and plenty of track lug! 2.5 inch models curve the trenching in some conditions and the sled handles better on trail situation and lower track temps for your hyfax. You always pay more or LESS for the track and your choice of Starting. Call for our best Price, the Price displayed is always the M.S.R.P., SO, WITH INCENTIVES AND COMPETITIVE DISCOUNTS find out what we can do. Also we offer in store Financing on approved Credit!