Landrum Gold Series Rear Coil Spring - 5" OD x 14" Tall - 325 lb. 34012BK Requires removal or modification of

Requires removal or modification of locking steering columns if equipped

Allowing more heat in the turbine and less damaging underhood radiant heat resulting in a boost in horsepower

ARP oil pan studs have a nut-starter radius to prevent cross-threading

OE oil cooler port provision

Landrum Gold Series Rear Coil Spring - 5" OD x 14" Tall - 325 lb. 34012BK Requires removal or modification ofLandrum 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!