The shock shafts are Titanium Nitride coated for smooth operation and durability. These shocks are fully assembled with red (medium tension) shock springs. The set also includes two bottles of Traxxas 30 weight shock oil.

Features:
Every shock comes fully assembled and ready to be filled with shock oil
Strong aluminum alloy construction
Anodized gun metal gray with red springs
Comes in a foam tray covered with a clear plastic box on a hangable header card
For the Traxxas T-Maxx
Shock oil included

Tech Specs:
Length: 4-1/8 (uncompressed)
Diameter: 3/4

Includes:
8x Traxxas X-Long Big Bore T-Maxx Shocks
1x Mounting Hardware Set
2x Bottles of Shock Oil (30-weight, per Traxxas)

Requires:
Filling shocks with shock oil and assembling onto the model.

Note: Shocks must be filled with shock oil before installation.