Introduced for the 1964 model year, the Pontiac GTO ... 389 had a single Carter four-barrel carburetor and delivered 325 horsepower. Customers who wanted more oomph could select the Tri-Power ...

You cannot not remember the 1966 ... Tri-Power was also a popular choice, as its output of 360 horsepower convinced over 19K customers to pay the extra price for this configuration. The GTO ...

A stunning, rotisserie-restored 1965 Pontiac GTO convertible could be yours. This classic American icon, complete with a powerful Tri-Power 389 cubic inch V8 engine, a Muncie 4-speed manual ...