Bilstein B6 4600 Suspension Front Shock Absorber for 1975-1978 GMC K25 ksport-gt-pro-coilovers 5 kg/mm Spring Rates -

5 kg/mm Spring Rates - Rear 3 kg/mm (Separated shock and spring) Super Low Drop Optional Yes Swift Springs Optional Yes Custom Spring Rates Optional Yes Custom Spring Rates - Rear Option Note Rear spring rates can not be changed on some kits

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Bilstein B6 4600 Suspension Front Shock Absorber for 1975-1978 GMC K25 ksport-gt-pro-coilovers 5 kg/mm Spring Rates -Bilstein B6 4600 Shock Absorbers for the 1975 1978 GMC K25 are designed as a direct fit upgrade to OE Shock Absorbers on stock height light trucks and SUV's. These Shock Absorbers feature a monotube design which provides consistent fade free performance. B6 4600 Shock Absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All B6 4600 Shock Absorbers are tuned for each specific application to ensure