PRODUCT LINE: Skyjacker Suspension Lift KitsVERIFIED FIT: GMC K25 SUBURBAN BASE 1975-1978 4WD ( 1975 1976 1977 1978 )SPECIFICATIONS: Fuel Type: Gasoline, Amount of Lift Front: 8.000 in., Amount of Lift Rear: 7.500 in., Number of Lugs: 8, Maximum Tire Height (in): 39 in., Maximum Tire Width (in) (application): 12.5 in., Recommended Wheel Width (in): 10.00 in., Recommended Wheel Backspace (in): 4.000 in.FAST SHIPPING: We ship from various warehouses throughout the USA.
