Landrum Gold Series Rear Coil Spring - 10.5" x 5" x 100 lb. 116114 which means that there are

which means that there are no power valves to blow out

Ultra-Flex 650

1967-1973 GMC K25/K2500 Pickup

Ford Coyote / Voodoo

1967 Oldsmobile Cutlass Supreme CID 294 4

Landrum Gold Series Rear Coil Spring - 10.5" x 5" x 100 lb. 116114 which means that there areLandrum 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!