PROGRESSIVE SUSPENSION 444 SERIES HEAVY DUTY SHOCK CHROME 12.5" (318MM) 3419 workwear jackets are the mark

workwear jackets are the mark of the practical man

Stock replacement

Heavy-duty 16-gauge steel construction for long life

deflective disc velocity sensitive damping

Genuine James rebuild kit for all OEM Keihin CV (Constant Vacuum) carburetor variations as used on XL Sportster and Big Twin models

PROGRESSIVE SUSPENSION 444 SERIES HEAVY DUTY SHOCK CHROME 12.5" (318MM) 3419 workwear jackets are the mark444 Series ShocksFeatures 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 pre load by hand, no special tool needed Includes a progressive rate spring and is high pressure gas charged for consistent performance 444 Series shocks are available in 3 configurations: Standard (Up to 250 lbs.), Heavy duty