Hi, not sure this will help but there are a large number of castings on my website, go click on "parts" then scroll around to that file. Good luck, Eddie Stakes' Planet Houston AMX www.planethoustonamx.com ----- Original Message ----- From: "lumina333" <lumina3@xxxx> To: <BaadAssGremlins@xxxxxxxxxxxxxxx> Sent: Wednesday, February 11, 2004 10:13 AM Subject: [BaadAssGremlins] 360 Cylinder Heads How do you identify the dogleg exhaust port head style? What years, cars, casting numbers, etc?