Skyjacker Hydro 7000 Twintube Shock - 13.71 in Compressed / 22.58 in Extended - 2.01 in OD - White Powder Coat H7018 Intercoms 579 in Bore

579 in Bore

Dual Relay

Single-Plane EFI Split Design Race

1986-1991 GMC C2500

Skyjacker Hydro 7000 Twintube Shock - 13.71 in Compressed / 22.58 in Extended - 2.01 in OD - White Powder Coat H7018 Intercoms 579 in BoreSkyjacker Suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U. S., control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock' of bumps and suspension loading is actually