Endless Summer 0% Finance or $2,000.00 Accessory Voucher.Its distinctive, charismatic parallel-twin engine and class-leading chassis can turn every journey the trip of a lifetime. The Thunderbird LT will transport you with effortless power and style to new adventures with the easy-going, laid-back vibe of a premium classic touring cruiser. If purchased before March 31, 2016 get $400 accessory credit.