Answers
Jan 22, 2019 - 01:51 AM
30686 – 10 bolt base rail – used for custom bracket kits.
31323 – 4 bolt base rail – used with universal kits, is discontinued.
31323 – 4 bolt base rail – used with universal kits, is discontinued.
Jan 22, 2019 - 03:32 AM
Below is a picture with measurements of the 10 bolt and 4 bolt base rails. This will help you to determine which is which.
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