This is the Arrma ARA330671 Shock Cap, 2pcs

This Shock Set provides a pair of assembled aluminum big bore shock absorbers filled with high-quality silicone shock oil for fast and efficient shock replacement on your vehicle.

These Shock Caps are molded from a tough composite material

FEATURES
Tough composite material for long-lasting performance and increased crash resistance in all conditions - Precision manufactured to provide consistent fit of shock caps to your shock bodies - High-quality o-rings included to ensure a leak-free seal between the shock cap and shock body - Spare part for #ARA330679 and #ARA330680

INCLUDES
2 x Shock Cap
2 x O-ring (15 x 2mm)

Fits:
Arrma Kraton 4S BLX
Arrma Outcast 4S BLX