The 289ci K-code V8 was the range-topping powerplant for 1965.The engine featured solid lifters in addition to an Autolite four-barrel carburetor from the factory, and was overbored .020″ and rebuilt with HiPo components in the 2000s according to an included summary.Underhood modifications include an export brace, a Monte Carlo bar, a PerTronix electronic ignition module, a dual-reservoir brake master cylinder, and a modern battery concealed by a period-look Sta-Ful cover.A Toploader four-speed manual transmission routes power to a 3.89:1 rear end.A 120-mph horizontal-sweep speedometer is flanked by auxiliary gauges and houses a five-digit odometer showing 72k miles.