Progressive 412/413/512 series shocks are the first aftermarket shock designed specifically for ATVs. They have undergone extensive R & D to provide the finest possible shock for your ATV.
Progressive ATV shocks come with springs installed.
Front shocks and some Rears are sold in pairs.
412/413 Series Features:
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Progressive rate springs for a comfortable ride and improved load stability
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All steel double wall damper with multi-stage velocity sensitive damping
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Five position cam style preload adjuster
512 Series Features:
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Progressive rate springs for a comfortable ride and improved load stability
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Five position pre-load adjustments
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Velocity sensitive damping for a smoother ride
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Gas charged damping consistency
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Equipped with “Shock Sox” to help keep springs and adjusters clean
