Draco 10" x 1-7/8" Coil-Over Spring - 175 lb. - Purple 35690 which makes for a more

which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed

2004-2006 Chevrolet Silverado 3500

Using AutoMeter's advanced 1/8

Over the years we have built and ran several cars and have an appreciation for the effort and dedication it takes compete

Increased memory with faster processor for improved tuning & updating speed

Draco 10" x 1-7/8" Coil-Over Spring - 175 lb. - Purple 35690 which makes for a moreDraco Racing Coil Over Springs are engineered to offer the fewest coil and largest coil gap currently available, reducing weight while providing maximum travel with a linear rate. All springs are preset to prevent sag. Draco Spring is a manufacture of racing springs available in a large selection of sizes and rates. A family owned and operated business since 1969, Draco Spring has grown into the one of the largest custom spring manufacturers in the