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Hydraulic Spring Perch, Top, for Penske 8760 Shaft End
These precision devices allow the spring end coils to tilt up to 4 degrees as the spring is compressed, reducing the bending loads on your shocks by as much as 96%. This reduction in side force and friction allows more force and energy to be directed to the car's mechanical grip while reducing wear on your shocks. This isn't just theory. Hydraulic perches have proven themselves on the track with rave reviews and reduced lap times. Having 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.
These "top" perches (for the shaft eyelet end) have a 1.5" x 16 tpi female thread to fit the eyelet on Penske 8760 racing shocks.