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SSDiv6 · 09-04-2008, 10:24 PM

The Canfield and AFR cylinder head is only legal in Super Stock class for the 1964 to 1965 289, and 1968 302 engine applications only. The volumes have a listed runner volume of intake 167cc and exhaust 67cc and when you use either head, you have to account for an additional 10 HP penalty.

09-04-2008, 10:24 PM	#4
SSDiv6 VIP Member Join Date: Feb 2003 Location: Glendale, Arizona Posts: 3,044 Likes: 712 Liked 1,582 Times in 582 Posts	Re: Ford Cylinder Head Question The Canfield and AFR cylinder head is only legal in Super Stock class for the 1964 to 1965 289, and 1968 302 engine applications only. The volumes have a listed runner volume of intake 167cc and exhaust 67cc and when you use either head, you have to account for an additional 10 HP penalty.