3.0 EXTERNAL BYPASS PIGGYBACK QAB
WITH ECS2 EXTERNAL COOLING SYSTEM 

• Position-sensitive External Bypass damping technology features 4 adjustable bypass zones 
• Quick Adjust Bypass (QAB) adjusters allow tool-free bypass zone adjustment 
• Race-developed External Cooling System (ECS2) provides increased cooling efficiency 
  • Internal & external aluminum fins increase cooling surface area & heat dissipation 
  • Forced, unidirectional fluid circulation maximizes cooling efficiency 
  • ECS2 mounting hardware included 
• Steel External Bypass body with a new, proprietary coating for improved durability 
• Anodized aluminum piggyback reservoir and cooler resists corrosion and helps dissipates heat 
• 7/8” hard chrome plated 17-4 H900 stainless steel shafts 
• Hard anodized 6061-T6 billet aluminum high flow race piston 
• Heat treated steel spherical heim mounting  

OVERVIEW:
Taking full advantage of its extensive knowledge of the Raptor’s suspension as the OEM shock supplier along with its rich racing heritage, FOX has developed an off-road race inspired upgraded shock package for the second generation Raptor. The Factory Race Series upgrade kit for the 2017+ Raptor is designed to take the truck’s renowned off-road performance to the next level by adding significant adjustability and improved cooling efficiency without compromising everyday ride quality.