Progressive 512-1023B PGR 512 Shocks chemical-transmission-gear-oil usually reserved for more expensive

usually reserved for more expensive track day helmets

Polaris Scrambler 500 4x4 1998-2004

Each kit includes two oil seals

1999 Ski-Doo Formula Z 500

Just what you'd expect from the world's most experienced (and most winning) exhaust brand

Progressive 512-1023B PGR 512 Shocks chemical-transmission-gear-oil usually reserved for more expensiveThe 512 Series was the first aftermarket shock made specifically for Utility ATV's. They have undergone extensive R&D to provide the finest possible suspension for your workhorse vehicle. We use improved spring rates for heavier load stability and handling over rough terrain as well as increased length for more travel and ground clearance. The 512 Series comes with an adjustable spring preload to accommodate different loads (i. e. mounting a plow or