SPL Parts Swift Assist Springs 65mm Spring Rate 223 lbs/in (SWIFT-A65-040) _D915 5 Twin Turbo (4WD) Description_ASM

5 Twin Turbo (4WD) Description_ASM Front S9K FMSI D1770 2015 thru 2017 FORD F150 3

engineered and manufactured in Costa Mesa

A blue silicone seal piece finishes the inlet of the D

this delete pipe provides a powerful exhaust note

SPL Parts Swift Assist Springs 65mm Spring Rate 223 lbs/in (SWIFT-A65-040) _D915 5 Twin Turbo (4WD) Description_ASMAssist Springs Get the best of both worlds, Swift assist springs provide a dynamic step linear rate. Like our helper springs, the assist springs are designed to be fully compressed at static height. Every one of our assist springs compress to the exact same height. This allows drivers to change assist springs without resetting the perch on the coilovers so the ride height isn't affected. Heavier rates of assist springs over helper springs are used to