The seals are OEM equipment

perfectly recyclable material

Sold in set of 3

This is a proven

Two separate coils in one small package allowing single fire electronic ignition systems to be run

PS, 412 series shock set. 13.5". STD Duty. Black 1982-03 Motorfästen/Motor Mounts The seals are OEM equipmentDescription 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