This is a high speed rebound shock, which means it builds low speed numbers based on a higher high speed. Also the zero point is way lower in this type of shock due to the larger bleed system. This is good on high speed tracks when the car is setup free enough that it will not throttle push. Not the way to go if you are wanting car control in the slick. This shock will return weight to the rear tires as you go down the straight away.

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12 rebound - 4 compression @ 100 psi

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Marked as: 

RF 12-4