Duromax 500 / Rato R500-V Cylinder Head

Stock replacement Duromax 500 / Rato R500-V cylinder head bare casting with seats and guides installed. 

Weight: 4.7lbs

Intake Valve: 40mm x 6.5mm x 96mm (3.780")

Exhaust Valve: 35mm x 6.5mm x 96mm (3.780")

Chamber: Hemispherical

Chamber Volume: