Hypercoils 10" Coil-Over Spring - 2-1/2" I.D. - 375 lb. RS003C01W Performer centerbolt cylinder heads are

Performer centerbolt cylinder heads are 50-state street legal and accept factory centerbolt valve covers

32 x 20 Spline Ball End

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Keep tabs on your truck's fuel systemBD Diesel Performance is unique among its peers in that it designs

Hellwig has also helped to grow and develop the automotive aftermarket as a founding member of SEMA

Hypercoils 10" Coil-Over Spring - 2-1/2" I.D. - 375 lb. RS003C01W Performer centerbolt cylinder heads areHypercoils 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