Draco 10" x 1-7/8" Coil-Over Spring - 210 lb. - Purple Superchargers Turbochargers & Components Shift Improver Kit for 4R70W

Shift Improver Kit for 4R70W Automatic Transmission

1983-1990 GMC G3500

Clear/Smoke/Black

Constructed from one piece of seamless

Draco 10" x 1-7/8" Coil-Over Spring - 210 lb. - Purple Superchargers Turbochargers & Components Shift Improver Kit for 4R70WDraco 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