D2 Racing RS Series Coilovers (D-TO-17-RS) 17715 During development APR Engineers fully

During development APR Engineers fully instrumented the engine to find the limitations of the factory hardware

6 4WD Description_ASM Front S4K FMSI D702 97 thru 99 FORD Expedition 5

Consistent performance and handling give the vehicle a new car feel every time

But aFe didn't achieve this by ignoring engine protection

Two extra switch inputs included for displaying user-triggered events (blinkers

D2 Racing RS Series Coilovers (D-TO-17-RS) 17715 During development APR Engineers fullyThe RS Series suspension kit is our most popular coilover. Featuring a 36 way damping and rebound adjustable monotube design, RS Series coilovers are perfect for the modified street car that also sees occasional track days. This coilover has separate height and preload adjustments allowing for optimal suspension tuning while maintaining full strut travel at all times. Key Features: Uses either a rubber upper mount or pillowball rubber upper mounts.