Hydraulic Spring Centering Perches
These precision devices allow the spring end coils to tilt up to 4 degrees as the spring is compressed. This reduces the bending loads on your dampers by as much as 96%. Reducing that sideways force (and the resulting uncontrolled friction), more force and energy is directed to the car's mechanical grip. Damper life is also increased by reducing wear on pistons and seals.
This isn't just theory. Hydraulic perches have proven themselves on the track with rave reviews and reduced lap times. Installing a hydraulic perch at one end of the spring will reduce shock bending loads significantly; however, hydraulic perches at both ends of the spring will provide optimum performance.
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These are the special gapping rings required when rebuilding ICP/Hyperco Hydraulic Spring Centering Perches. Each ring can be reused for many rebuilds.