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High Octane Classics is proud to offer this 1969 Buick Gran Sport 400 with just over 50K original miles! This example is finished in black over a black vinyl interior. Power comes from a built 455ci V8 paired to an automatic transmission and 12-bolt rear end. Under the hood the 455 has been fortified with aluminum heads, MSD ignition control, tube steel headers, SP1 intake, and Buick branded valve covers with a catch can / breather setup. The interior remains largely stock with the addition of a column mounted tachometer, Sony radio, and Sun gauges under the dashboard to monitor engine vitals. Underneath the car has been upgraded with boxed lower control arms, front and rear sway bars, electric fuel pump, QA1 Shocks, and rear helper air bags.




