Eibach 8" Coil-Over Spring - 2-1/2" I.D. - 600 lb. 20056PRB GMC: C8500 Topkick 07 -

GMC: C8500 Topkick 07 - 07 5

-10 AN side water outlet ports

These belt drives are best in serious street performance and racing applications

Will not accept stock Motorcraft spread-bore carburetor or fit heavy-duty 361 & 391 c

Eibach 8" Coil-Over Spring - 2-1/2" I.D. - 600 lb. 20056PRB GMC: C8500 Topkick 07 -Eibach uses the world's finest quality, chrome silicon steel wire to produce coil springs with maximum travel and minimum weight. Eibach Springs are metric sized and, therefore, not limited to the SAE sized wire used in the production of many of the springs currently on the market. Eibach Springs are cold formed on CNC machinery, insuring precise tolerances on spring rates and free height, as well as longer life expectancy. Eibach Springs are heat