Landrum Gold Series Rear Coil Spring - 5" OD x 16" Tall - 350 lb. AA0220BG1R57 the standard part number is

the standard part number is for the regular red and blue

we are also traditionally at home in international motorsport

Two-wire pigtail easily connects to a switched 12V power source and a suitable chassis ground

providing built-in nitrous timing retard and special nitrous AFR targeting

Landrum Gold Series Rear Coil Spring - 5" OD x 16" Tall - 350 lb. AA0220BG1R57 the standard part number isLandrum Performance Spring, the leader in suspension technology, offers the GOLD SERIES, Dyno Tested Coil Spring. Designed to offer the racer a more consistent, accurately rated spring, GOLD SERIES Coil Springs are etched with the true linear dynamic rate of the spring graphically and numerically as it travels through its cycle. Made of the highest grade of Chrome Silicon Wire available, ask for Landrum Performance Spring GOLD SERIES Coil Springs!