Zone Offroad 99-04 Ford F-250/F-350 Leaf Spring 4in SD/6in Exc. turn14-product-not-found-review The 200 Micro Extruded passages

The 200 Micro Extruded passages provide a large surface area to transfer heat for external air flow cooling while turbulent oil flow design promotes a more complete cooling

800-2400 RPM Range

The turbine/exhaust outlet is the same as the stock turbo

from 350 to 550 flywheel horsepower

2" front strut spacers to level out the stance

Zone Offroad 99-04 Ford F-250/F-350 Leaf Spring 4in SD/6in Exc. turn14-product-not-found-review The 200 Micro Extruded passagesManufacturer Part # : ZONF0401 Market Description This multi spring leaf pack provides 4" of lift on a Super Duty and 6" of lift on an Excursion without sacrificing ride quality. Meets or exceeds original equipment ratings and comes with factory equipment style rubber bushings. Sold individually. Features and Benefits 5 Leaf with center leaf spacer plates between each leaf and anti friction pads for smooth, quiet operation. Preinstalled OE style