Hypercoils 10" Coil-Over Spring - 2-1/2" I.D. - 110 lb. Gear Knob IMCA legal upper control arms

IMCA legal upper control arms fit stock 6-7/8" mounts

It will allow any Holley model 4150 or 4160 square flange carburetor to be mounted on manifolds that were designed originally for Rochester Quadra-Jet or Carter Thermo-Quad carburetors

108-89 Primary Metering Block

2017-2020 Ford F-350 Super Duty 98

Built Rugged And Designed To Protect The Filter For Performance

Hypercoils 10" Coil-Over Spring - 2-1/2" I.D. - 110 lb. Gear Knob IMCA legal upper control armsHypercoils are manufactured from the highest quality chrome silicone steel and high tensile chrome silicone steel available in the world. The material used in producing Hypercoils undergoes two separate magnaflux inspections. Once before manufacture and again after coiling. These inspections insure the wire is free from surface imperfections which, if gone undetected could lead to spring failure. The life of a suspension coil is directly related to