1973-1978 Mercury Marquis 3/8-16 to 16mm x 1.5 Custom Shift Knob Adapter Factory Fit Precise Shifting , Brougham, Colony Park, Marquis, Grand Marquis Diamond Anniversary 5 input shaft allowing you

5 input shaft allowing you to choose from thousands of knobs that use this standard format

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and we feel confident it is the best solution for those difficult thread-less shift arm installs in your 1963-1964 Honda S500

1973-1978 Mercury Marquis 3/8-16 to 16mm x 1.5 Custom Shift Knob Adapter Factory Fit Precise Shifting , Brougham, Colony Park, Marquis, Grand Marquis Diamond Anniversary 5 input shaft allowing youAchieve Precise Shifting and a Factory Fit for your 1973 1978 Mercury Marquis 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)