I have two sr or jr chassis as well as two beginner chassis new for Briggs or rotax , I also have used shifter chassis and sr kt1 rotax . Can supply new or used engines . My new karts are 2012 chassis $2,200 to $3,900 lower cost than 2015 chassis . They are basically the same . I will be also having parts in stock at track for CRG karts . If you are looking for new or used CRG stuff contact me . Also I will have room for other karters that are looking to race in Calgary and other events this year I have 46 foot trailer with full work shop as well as tooling to assit fellow racers ! I have connections on several used and new karts , engines and other related stuff . I very much enjoy the sport and will assit anyone that wants to try one !