This is a pair of CNC machined aluminum 126mm dual-spring threaded shocks from Hot Racing.
Extended Mount-to-Mount: 4.96 inch (126mm)
Compressed Mount-to-Mount: 3.30 inch (84mm)
Body Diameter: 1/2 inch (13mm)
2x Fully Assembled Shocks with Black Main and Tender Springs
2x Chrome Tender Springs
2x Chrome Main Springs
2x Aluminum Upper Shock Cap Brushings
2x Aluminum Countersunk Washers
2x Flat Head Cap screws
Silicone Shock Oil.
Double spring system provides a rapid initial respond at the beginning when both tender springs and main spring are compressed together and deliver the desired firmer ending rate once the tender spring closes completely leaving only the main spring to deflect further.
Replacement shock bushings are Hot Racing TDB322.