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Adger Smith · 02-05-2014, 03:04 AM

OEM part numbers, but I don't think the DRCE 4.90 or 5.0 bore space heads are legal for SS/AM. You have to stay away from certain Pro Stock heads because of the bore space. It has to have stock bore space, like 4.840 for BB Chevies.
There is, or was, a fast SS/AM car that has been eleminated because of the bore space rule. Be careful!!!

02-05-2014, 03:04 AM	#7
Adger Smith VIP Member Join Date: Dec 2001 Location: Texarkana Ark/TX Posts: 2,360 Likes: 447 Liked 689 Times in 267 Posts	Re: SS/AM Questions? OEM part numbers, but I don't think the DRCE 4.90 or 5.0 bore space heads are legal for SS/AM. You have to stay away from certain Pro Stock heads because of the bore space. It has to have stock bore space, like 4.840 for BB Chevies. There is, or was, a fast SS/AM car that has been eleminated because of the bore space rule. Be careful!!! __________________ Adger Smith (Former SS) Last edited by Adger Smith; 02-05-2014 at 03:05 AM. Reason: sp