This is an optional front and rear Vaterra Sway Bar Kit (VTR334000, VTR334001), and is intended for use with the Vaterra Twin Hammers 1/10 scale Rock Racer. This set includes three bars (soft, med, firm) for each position. Everything pictured.
This is from an incomplete KIT that was never fully finished. These are in excellent condition.
Effects of Front Roll Bar Adjustment
-- Softer Bar
Increased Front Chassis Roll
Increased Front Traction
Decreased Rear Traction
Increases Off Power Steering (May Cause Oversteer)
-- Stiffer Bar
Decreased Front Chassis Roll
Decreased Front Traction
Decreased Off Power Steering at Corner Entry (Increases Understeer)
Quicker Steering Response