Seller notes

Progressive 444-4074B 444 Series Shocks 13.5in Heavy Duty Feature the all-new Frequency Sensing Technology (FST) which allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality Deflective disc valving Adjust spring preload by hand, no special tool needed Include a progressive rate spring and is high-pressure gas charged for consistent performance Standard, heavy duty or super duty spring rate with a black or chrome finish Sold in pairs Made in ...

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