OER Parts offers a wide selection of Manual Transmissions & Parts for your 1966 Pontiac Beaumont. OER Parts offers 1966 Pontiac Beaumont Bearings, 1966 Pontiac Beaumont Boots, 1966 Pontiac Beaumont Complete Transmissions, 1966 Pontiac Beaumont Flywheel, 1966 Pontiac Beaumont Gaskets, Seals & Filters, 1966 Pontiac Beaumont Gears, 1966 Pontiac Beaumont Hardware, 1966 Pontiac Beaumont Shift Knobs, 1966 Pontiac Beaumont Shift Linkage, 1966 Pontiac Beaumont OE Shifters, and 1966 Pontiac Beaumont Performance Shifters.