1966 Pontiac GTO Engine: 6.4L V8 GAS;Power Steering; Cut to fit; Position: Upper;. Part Type: Radiator Coolant Hose. 1967 Pontiac GTO Engine: 6.6L V8 GAS;Power Steering; Cut to fit; Position: Upper;. 1970 Pontiac GTO Engine: 6.6L V8 GAS; Cut to fit; Position: Upper;.