99-17 Twin Cam with CV

perfectly recyclable material

Compatible with Bare Bones solo seats

The seals are OEM equipment

This is a proven

PS, 412 series shock set. 13.5". STD Duty. Black 1982-03 Motorfästen/Motor Mounts 99-17 Twin Cam with CVDescription 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