Landrum Gold Series Rear Coil Spring - Progressive - 5" OD x 13" Tall - 200-450 lb. Hydraulic Throw-Out Bearing This IAC is a TPI

This IAC is a TPI style IAC

100% bolt-on design

Ford Fullsize Truck 2011-14

so you can ensure your timing remains stable from idle to race RPM

Extendable curly cable coming out of the helmet

Landrum Gold Series Rear Coil Spring - Progressive - 5" OD x 13" Tall - 200-450 lb. Hydraulic Throw-Out Bearing This IAC is a TPILandrum Performance Spring, the leader in suspension technology, offers the Gold Series, Conventional, 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