The aluminum sealed deflective disc cartridge damper system is nitrogen filled to reduce oil foaming

Hidden patented internal breathers are used to provide efficient breathing combined with the cleanest looks

MCS 519923

or custom-install it elsewhere

Includes: - Quick change + Top end gasket kit - Timken inner bearings replacing H-D #9198 - Crank and cam bolts - Camshaft retaining ring - Moly lube and Loctite - Complete as shown

PS, 412 series shock set. 13". STD Duty. Chrome 1982-03 Vevparti & bottendel 84-99 The aluminum sealed deflective discDescription 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