Videos

CAT 3304 cylinder head has direct injection and indirect injection. Part numbers 0R2675 0R2676 0R0831 1N4304 6N8121 7N8534 7N8874 7S7070 8N1188. With twenty years' improvement, this high performance cylinder head is quite unlike any other cheap one, which has many defects like valve guide breakage, valve seat out of concentricity, sunken upper surface etc.