Note: Softail

Compatible with some stock speedo sensors like Dry-Reed and inductive proximity sensors as used on stock H-D and Buell models

For Prestolite style starter motor

Includes all inner & outer springs

PS, 412 series shock set. 12". STD Duty. Black with cover 91-17 Dyna Drumbroms 1937-1972 fram&bak Note: SoftailDescription With full spring cover. 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