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ss3011 · 01-02-2011, 09:01 PM

The 915 heads came in two varieties, the standard heads had the 1.60 exhaust valve, the HP version had the 1.72 exhaust valve and was stamped HP on front of the head. These heads were came on the 440 HP on my 1967 GTX.

01-02-2011, 09:01 PM	#7
ss3011 Senior Member Join Date: Feb 2002 Location: Southeast Michigan Posts: 909 Likes: 70 Liked 239 Times in 114 Posts	Re: Gettin' back into it.. The 915 heads came in two varieties, the standard heads had the 1.60 exhaust valve, the HP version had the 1.72 exhaust valve and was stamped HP on front of the head. These heads were came on the 440 HP on my 1967 GTX.