Secures the rubber block inside a Rota-Flex pin box so it stays put when towing with a SuperLite hitch.
Important Notice
Specific to the Rota-Flex pin box when used with a SuperLite hitch. Sold separately.
The Rota-Flex pin box uses a pivoting head and a rubber compound block to cut chucking and soak up road shock. Pair it with a SuperLite hitch, though, and that rubber block can shift out of place while you tow. The Rota-Flex King-Pin Box Isolator (Part #4447) locks the block in position and keeps it there.
Install it before your first trip to prevent the problem, or add it later to correct a block that has already moved. Each isolator is sold separately.
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