3 ohm primary resistance

Black painted stock replacement aluminum cylinder with cast iron liner

models use the two-hole

Fits: > 48-E77 B

Fits: > HYDRA GLIDE

PS, 412 series shock set. 11". STD Duty. Black Dyna 91-17 Motorfästen/Motor Mounts 3 ohm primary resistanceDescription 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