Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 200 lb. Drag Racing Catalog 2008-2009 Hummer H3Computer Chip Programmer

2008-2009 Hummer H3Computer Chip Programmer

Mandrel-bent Cross Pipe Has 3

-20 valve cover bolt hole and with the use of a dial indicator (not included)

Mandrel-bent Stainless Steel Construction

Post Adapters / Terminal Lugs / Heat Shrink Included

Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 200 lb. Drag Racing Catalog 2008-2009 Hummer H3Computer Chip ProgrammerOptimum Body Diameter (OBD) Hypercoils feature a unique design concept that adjusts the body diameter of the spring relative to the end coils. The OBD design enables Hyperco to take full advantage of its ultra high tensile material by optimizing the applied stress through adjusting the spring's body diameter. HYPERCOILS because the most important race is the one you are in. Hyperco is a supplier of precision engineered, high performance suspension