OER Parts offers a wide selection of Timing Components for your 1966 Oldsmobile 442. OER Parts offers 1966 Oldsmobile 442 Timing Chain, 1966 Oldsmobile 442 Timing Conversion, 1966 Oldsmobile 442 Timing Cover, 1966 Oldsmobile 442 Timing Gear, 1966 Oldsmobile 442 Timing Sets, and 1966 Oldsmobile 442 Timing Tabs.