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09-18 Dodge Ram 4x4 Synergy Steering Box Brace 8559-04

Synergy Steering Box Brace for Dodge Ram Trucks are designed to support the steering box sector shaft by using a pillow bearing. This brace ties the front frame horns together to eliminate steering box wonder and significantly increases the life of your vehicles steering box.


  • Designed to support the steering box sector shaft on 1994+ Dodge Ram 4x4 solid front axle trucks
  • Ties front frame horns together, helps eliminate steering box "wander"
  • Tightens up steering feel and extends the life of your truck's steering box


  • Laser cut, CNC bent and precision welded using 1/4" Hot Rolled Steel plates, and 2.0" x .120" thick square tubing 
  • Black powder coat finish for maximum corrosion resistance
  • 100% Bolt-on installation.  No cutting or drilling required!


  • (1) Dodge Steering box brace 
  • (1) 855702-M30X1.50 Pitman Arm Stud 
  • (1) Pillow bearing 
  • All necessary installation hardware


  • When using an upgraded big bore box, sector shaft stud part number 855702-M30x1.5-PL is needed.
  • When using an upgraded 09+ Steering Box, 8559-04 is the steering box brace needed, BUT, modifications will need to be made to the upgraded steering box mounts for proper fitment of the brace.
  • Does not fit Dodge Ram Power Wagons.
  • Modifications to the brace may be required for proper alignment of the sector shaft nut.

Part Number: 8559-04.

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Tags: 8559-04 , Dodge , Ram , 4x4 , Synergy , Steering , Box , Brace