These WIX 24003 / NAPA 4003 style fixed mounts have a 1 7/8"-16 outside diameter thread that will fit all 1 7/8" -16 inside diameter tubes. They are made form 416 Stainless Steel, and T6061 aluminum with industry standard mounting threads.
Please read product description for each item for center hole size and thread configuration.
Click on item photo for product description.
All prices are in USD