Note: Gives a 'spring mounted' open look on the rear side

actuated clutch models)

the seal relaxes a bit after installation

VRSCR) (NU)

25" (82cm) wide x 6

PS, 412 series shock set. 12.5". STD Duty. Chrome 1982-03 Framgaffel Note: Gives a 'spring mounted'Description 412 series shocks: Best value Progressive Suspension shock, great as stock replacement. Nitrogen charged double steel wall body. Multi staged velocity sensitive valving. Five position cam style preload adjustment. Note: Black 412 shocks may be supplied without lower cover. What are Progressive Suspension's 'Heavy Duty' shocks? If you are a lightweight rider with a lightweight passenger, STD Duty is probably your best choice, heavy duty