The BDS Suspension BDS1577FPE 4 inch Fox Coil-over 4-link arm lift kit for the Ford F350 Dually with allow for use of up to 37 inch diameter tires. This awesome suspension system is designed to replace the front coil springs with Fox 2.5 Performance Elite Remote Reservoir Coil-overs and replace the factory radius arms with the BDS's 4-link arm conversion. This gives the truck great suspension performance along with better wheel travel, improved stability, strength and caster control. The front axle remains centered with the use a heavy duty track bar relocation bracket. A forged drop pitman arm maintains proper steering angles.

In the rear the factory blocks are replaced by a pair of lift blocks (size depends on number of main leafs in OE leaf springs) that feature integrated bump stop wings along with e-coated extended u-bolts.

Fox 2.5 Performance Elite Coil-overs w/DSC Remote Reservoirs - These top of the line adjustable coil-overs feature a 2.5 inch diameter CNC machined 6061-T6 hard anodized aluminum body that will resist rust and allow for excellent heat dispersion. The remote reservoir increases oil capacity and house the DSC (dual speed compression) adjuster knob. This allows you to to easily adapt your coil-overs ride softness or firmness to the current terrain and vehicle load by changing high-speed and low-speed compression settings with the turn of a dial.

Features and Benefits:

• Fox 2.5 Peformane Elite Remote Reservoir Coil-overs (replaces factory coil springs)
• 4-LInk Conversion Kit (replaces factory radius arms)
• Better stability, strength and caster during front wheel travel
• Front track bar bracket to center axle
• Allows use of up to 37 inch tires
• Average Install Time: 8 - 10 hours
• No Fine Print Lifetime Warranty
• Factory Protection Plus
• Fits 37" x 12.50" w/17 x 9 tires and 4.5"-5" back spacing
• Fits 37" x 12.50" w/18 x 9 tires and 4.5"-5" back spacing
• Fits 37" x 12.50" w/20 x 9 tires and 4.5"-5" back spacing
• Made in the USA

Fox 2.5 Performance Elite Coilover Benefits

• Greatly improves suspension performance and ride quality in both on and off-road conditions
• 6061 Aluminum 2.5 inch diameter body dissipates heat three times faster than a steel body
• DSC Adjuster - Allows you to fine tune your ride with a turn of a dial (w/ multiple fast and low speed compression settings)
• 7/8 inch chrome plated shaft
• Application specific valving
• Remote reservoir increases oil capacity for improved performance
• Hard-Anodized Finish
• Fully rebuild-able

Premium Quality, Lifetime Warranty and Protection

BDS Suspension manufactures only premium quality suspension products. All are backed by a "No Fine Print" limited lifetime warranty. Guaranteeing all products to be free from defects in material and workmanship to the original retail purchaser. If you break it, they replace it...period.