PAIR GENUINE NEW LARGE PORT SPEC C HEADS. 1 X LH HEAD. 1 X RH HEAD. These large port cylinder head are a great upgrade for any big power build. Brand new bare casings, ready to be assembled with your cams, valves, springs etc. If you are unsure of fitment, please Ask a Question and we will be happy to help! About Us: Import Parts Centre are a well established UK company, offering genuine Subaru parts at extremely competetive prices. If we don’t have it listed, just ask us a question and we will list it for you!