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AMPro engineering offer the direct replacements to the Super Hornet D4 parts. Please exercise caution when threading screws into the holes. These are very strong but not quite as good as the original. These will be perfect for a runner as mine is used quite heavily. Make sure 3D Printing powder is cleaned from all holes.
This is designed to use all stock hardware. The 124002-02 Center bar is needed to complete the order.