1966-1970 Buick Riviera 3/8-16 to 16mm x 1.5 Custom Shift Knob Adapter Factory Fit Precise Shifting , Gran Sport, Riviera Bolt EV make-honda-model-n-one-year-2012

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For your 1969-1972 Pontiac Grand Prix equipped with GM Transmisison

This translates to an easier installation and fewer failure points exposed to the elements on your 1939-1940 Oldsmobile Series 76

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1966-1970 Buick Riviera 3/8-16 to 16mm x 1.5 Custom Shift Knob Adapter Factory Fit Precise Shifting , Gran Sport, Riviera Bolt EV make-honda-model-n-one-year-2012Achieve Precise Shifting and a Factory Fit for your 1966 1970 Buick Riviera With All of Our CNC Machined Billet Shift Knob Adapters. These adapters come with common industry standard M16 x 1. 5 threads which fit most of our 1000s of shift knobs. Other adapters based on (M16 x 1. 5) are available in both SAE and Metric formats so you can fit any knob to any car. ADAPTER SIZE 3 8 16 to 16mm x 1. 5 FEATURES Billet Aluminum 16mm X 1. 5 (Common Thread) Jam