Belltech SHACKLE KIT 04+ Ford F-150 4WD 2inch-4inch 2006-ford-taurus-se-esi3950735 The retention groove on the

The retention groove on the filter base locks the filter onto the heat shield without any additional hardware

2-Way Adjustment  -  1000 lbs/in (160% Stiffer than Stock) / 1125 lbs/in (192% Stiffer than Stock)

Outflows factory intake by 39%

Contains Polyphonic Harmonizer technology

Belltech SHACKLE KIT 04+ Ford F-150 4WD 2inch-4inch 2006-ford-taurus-se-esi3950735 The retention groove on theBelltech lowering Shackle kits, a simple, economical way to lower the rear of your truck 1, 2, or 3 inches to help give that leveled appearance. Belltech shackles are constructed from powder coated, heavy gauge die stamped P& O steel featuring OEM quality vulcanized rubber bushings to insure a perfect fit and superior quality for a long, quiet maintenance free life. Oem Style "silent block" bushing for long, quiet, maintenence free lifespan Oem Style