Skyjacker re-engineered the Super Dutys suspension via an outstanding 8.5-inch 4-Link Conversion. Replace your OEM radius arm mounts with integrated radius arm drop brackets plus upper and lower adjustable control arms. Formed from 2-inch OD x 0.250 wall DOM tubing, both pairs of control arms are adjustable Flex Links. The adjustability allows proper caster settings to improve handling. Flex Links have a forked clevis end at the lower axle mount. The upper bracket mount has 1-1/4 in. forged rod end with Rubber Encased bushing. Skyjacker's legendary Softride(R) technology engineered processes achieve maximum wheel travel, ride quality and extends the long-lasting life of the coil spring. Skyjacker specifically engineered this Variable Rate Coil Spring for the Super Duty 4WD Diesel to deliver a smoother ride. A heavy-duty track bar relocation bracket captures the front crossmember on both sides to prevent movement in this high-stress area and to keep the axle centered. Lowering brackets realign the front sway bar for maximum sway control. Drop spacers reposition the front bump stops. Front brake line extension brackets correctly reposition the brake lines. A heavy-duty steering stabilizer relocation bracket corrects and enforces the stabilizer connection. A 5.5-inch rear block and U-bolt kit with Softride(R) Technology Add-A-Leaf springs yields a more level stance. Skyjacker Softride(R) Technology enhances every aspect of the add-a-leaf spring performance. E-brake relocation brackets, bump stop spacers, rear braided stainless steel brake line extensions and rear exhaust hanger brackets are included. Shocks are a key link in-between the chassis and your suspension. Front and rear damper capacity enhanced with ADX M2.0 Adventure Series Aluminum Monotube Shocks. ADX M2.0 has a race-inspired full-displaced valving system. Nitrogen charged with Internal Floating Piston Technology = Quickest Shock Reaction Time Ever.

Genuine Skyjacker. Part number F11852K-XM.

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WARNING: California Proposition 65 — this product can expose you to chemicals known to the State of California to cause cancer or reproductive harm.