Seller notes

SoCal Powersports Store Contact Us Add to Favorite Sellers Progressive 444-4074B 444 Series Shocks 13.5in Heavy Duty FST (Frequency Sensing Technology) allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality. Deflective disc valving Special tools no longer needed to adjust, spring preload can be adjusted by hand High-pressure gas charged with a progressive rate spring creates a consistent performance Standard or heavy-duty spring rate with a ...

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