Energy's Hyper-Flex(TM) is superior performance polyurethane which has proven itself under the most demanding conditions on the race track, off-road and street performance driving, Hyper-Flex(TM) components do not wear or deteriorate from exposure to undercar chemicals such as oils and coolants and withstand atmospheric conditions like UV exposure and pollutants. Impervious to these elements, Energy's Hyper-Flex(TM) components are a great value. Not only will it outlast rubber 5 to 1 but are a cost effective performance improvement for your car or truck. Whether domestic or import, front, rear or 4WD, old or new, your vehicle will achieve that level of performance that has made Energy Suspension the most asked-for name in performance polyurethane components. All Hyper-Flex(TM) components are proudly Made in America and are available in red or black.
Installation Instructions
Installation Instructions
Installation Instructions

Vehicle Fitment

Years	Make	Model	Trim
1975–1980	Chevrolet	K10	Cheyenne
1975–1980	Chevrolet	K10	Custom Deluxe
1975–1980	Chevrolet	K10	Scottsdale
1975–1980	Chevrolet	K10	Silverado
1973–1974	Chevrolet	K10 Pickup	Base
1975–1980	Chevrolet	K20	Cheyenne
1975–1980	Chevrolet	K20	Custom Deluxe
1975–1980	Chevrolet	K20	Scottsdale
1975–1980	Chevrolet	K20	Silverado
1973–1974	Chevrolet	K20 Pickup	Base
1973–1974	GMC	K15
1975–1978	GMC	K15	Base
1975–1978	GMC	K15	High Sierra
1977	GMC	K15	Indy Hauler
1975–1978	GMC	K15	Sierra Classic
1975–1978	GMC	K15	Sierra Grande
1973–1974	GMC	K15/k1500 Pickup	Base
1979–1980	GMC	K1500	Base
1979–1980	GMC	K1500	High Sierra
1979–1980	GMC	K1500	Sierra Classic
1979–1980	GMC	K1500	Sierra Grande
1973–1974	GMC	K25
1975–1978	GMC	K25	Base
1975–1978	GMC	K25	High Sierra
1975–1978	GMC	K25	Sierra Classic
1975–1978	GMC	K25	Sierra Grande
1973–1974	GMC	K25/k2500 Pickup	Base
1979–1980	GMC	K2500	Base
1979–1980	GMC	K2500	High Sierra
1979–1980	GMC	K2500	Sierra Classic
1979–1980	GMC	K2500	Sierra Grande