1971 Pontiac 455 Head D Port 325 HP 4 Barrel GTO Lemans Tempest Sport. This product data sheet is originally written in English. HARD TO FIND ORIGINAL CLASSIC CAR & TRUCK PARTS. We acquired this head amongst a much larger lot of parts. We had it tumbled so you can better see the condition of the head. It came from a past hot rodder so I would expect it's been well used through the years. The date appears to be E041 which would decode to May 4th 1971. However date castings can be hard to read at times so please review to be sure you agree. This is a single…