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Tim H · 04-03-2014, 01:00 PM

Are you working with a 4.250 or larger bore ? I have done a couple 454 based motrs w/049 heads and big old Speed Pro open chamber pistons with good results.

04-03-2014, 01:00 PM	#5
Tim H VIP Member Join Date: Jan 2007 Posts: 1,044 Likes: 1,086 Liked 484 Times in 160 Posts	Re: BBC dome fitting Are you working with a 4.250 or larger bore ? I have done a couple 454 based motrs w/049 heads and big old Speed Pro open chamber pistons with good results.