BILSTEIN® SELF-ADJUSTING MONO-TUBE GAS SHOCKS

Self-adjusting — no external changes needed! Patented single-tube design for the best performance Bilstein® HD Series shock performs better and longer than any other car shock The best from a world leader in gas shock technology! 98% efficient after 100, 000 miles! 360 psi gas charge eliminates foaming and fade. Seamless tubing is virtually leakproof. Hand assembled and dyno tested. Huge 1.81" diameter piston for a giant work area.