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ted wilkison
Reviewed in the United States on January 10, 2024
Bolts were too long for my GM / Holley OEM big block cast iron intake, required shortening all 16 bolts.
Kacie & Ross
Reviewed in the United States on June 28, 2020
Not one size fits all. Too long for my 454 intake. I had to add a few washers.
J. Grigsby
Reviewed in the United States on March 27, 2017
I used on a 396 big block chevy with a weiand intake, most bolt kits for big block chevy intakes are 2.25 inch and barely have any thread engagement. These ARP bolts did the trick, even though it says for a 502 chevy I still use on the other BBC. Still can't use a torque wrench on the middle four bolts so use goodintight method.
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