The EFS X-Treme line of shocks and struts is our premium product line. X-Treme products have a reputation for toughness in the competitive aftermarket. They were born out of the demands of 4WD competition over a decade ago. Since then, they've been refined into some of the toughest family-friendly suspension solutions on the market. X-Treme offers unmatched durability, handling and ride quality. Whether it's the rugged tracks of the outback or other demanding off-road environments, X-Treme has your back.
X-Treme Specifications

    Oversized eye rings & pin mounts
    20mm hardened chrome plated piston rod
    2mm h/d outer wall thickness
    Internal hydraulic rebound lock
    Bonded rubber eye bushings
    Special high temperature fluid
    High quality multi-lip Viton seal
    High strength iron piston rings
    Large 45mm bore
    Twin-tube hydraulic design
    Dynamic motion control valve