Progressive Suspension 12.5 in. 440 Series I.A.S Shocks, 440-4207/C
- Inertia valve determines whether the soft (wheel) circuit or the firm (chassis) circuit is utilized to optimize both handling and comfort automatically - All three damping circuits, compression, as well as soft and firm rebound are also velocity sensitive - Sold in pairs - TV approved - Made in the USA
High-pressure gas-charged for consistent damping performance
Patented Inertia Active System (IAS) damping for unsurpassed handling and comfort
Top mount threaded preload adjuster allows for fine tuning with a simple twist of the cap
Feature two independent rebound damping circuits
NOTE: A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering. A shock which is slightly shorter than stock may slightly alter the head angle and provide somewhat slower steering.