Proactive Rota-Flex pin box isolator for SuperLite hitches. Prevents rubber block displacement before it starts.
The Rota-Flex King Pin Box Isolator addresses a known issue when pairing Rota-Flex pin boxes with SuperLite hitches. The Rota-Flex pin box uses a pivoting head and built-in rubber compound to reduce chucking and absorb road shock, but during towing with a SuperLite hitch, the internal rubber block may shift out of position.
Part #4447 is the proactive prevention: install this isolator before you start towing to keep the rubber block secured in position from day one. Each isolator is sold individually.
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