Draco 10" x 1-7/8" Coil-Over Spring - 215 lb. - Purple Helmets Self-priming bulb delivers up to

Self-priming bulb delivers up to 5 gallons per minute

This design gives you a solidly mounted loop that will stay in place should a driveshaft or transmission failure occur

530" OD valve guides

REVERSIBLE - Can be mounted as a Pusher or a Puller with no airflow loss

Sierra 3500 HD 2010-2007

Draco 10" x 1-7/8" Coil-Over Spring - 215 lb. - Purple Helmets Self-priming bulb delivers up toDraco 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