2004 Viper..+3 arms on front and wheel spacers on back to match.Works shocks front and rear...Engine has 53mm cylinder and Apex pipe..Uni filter and outwear..Hetricks lightened rear clutch shoes and clutch kit..Front variator has been custom machined for greater speed and power..Spring loaded chain tensioner and also has tether cord and nerf bars..Super clean and reliable bike that was built for racing but only trail rode at the cottage...Bike is located in Oshawa, Ontario, Canada..Email for pics or questions bbarag1420@rogers.com