EXT Arma Spring

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Replacement Spring for Ext Arma MX High performance 90mm(3.5") max stroke MX Spring – Super Alloy Spring (proprietary super light design)– Highly Linear Ratio– Hard Epoxy Coating– Internal Diameter: Ø38.5 mm– The lightest steel springs on the market– Developed in our automotive racing programs– 50lb increments; C90-450/C90-500/C90-550/C90-600– Adaptable for all type of dampers in the market– Life duration: over 500.000 cycles Show more