HPI Racing Alum Heat Sink Head 60x54mm Gunmetal/K5.9Tower Stock# LXUTW9 • Manufacturer Stock# 15286
These are the cooling fins at the top of the engine.
Silver colored aluminum construction
One cylinder head for the HPI Nitro Star K5.9 engine
Installation onto the Nitro Star K5.9 engine
Height: 53.5mm (2.1")