This is an Integy Blue MSR6 Piggyback Shock Set for the Traxxas Jato 2.5 and 3.3 trucks.  These look awesome, and they would make a great addition to any Jato truck.

FEATURES:

• Aluminum Construction
• Threaded Aluminum Shock Bodies
• Piggyback Shock Oil Reservoir
• Knurled Spring Rate Adjuster
• Blue and Gun Metal in Color
• Aluminum Lower Spring Retainer
• Fully Assembled
• 2-Hole Shock Pistons
• Nylon Ball Ends w/Metal Ball

INCLUDES:
Four Fully Assembled Piggyback Shocks
Four Blue Hard Springs
Four Red Medium Springs
Four Shock Mounting Bushings
Four 4-Hole Shock Pistons
Four Foam Compression Pads

REQUIRES: Shock Oil (20wt-35wt Recommended)

SPECS:
Length-
Shock-
Compressed: 2.96" (75.18mm)     (Hole to Hole: 2.60")
Uncompressed: 3.89" (98.80mm)   (Hole to Hole: 3.46")
Spring-
Compressed: 0.35" (8.89mm)
Uncrompressed: 1.64" (41.65mm)
Diameter-
Shock-
Shock Body: 0.56" (14.24mm)
Shock Shaft:0.15" (3.81mm)
Spring-
Spring Overall: 0.80" (20.32mm)
Wire Diameter: 0.06"  (1.53mm)