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Specifically designed for 396-502 cubic inch big-block Chevy engines with large oval-port cylinder heads (1975 and earlier) operating from 1500 to 6500 rpm range
D Wastegate
Overall Thickness: 15mm
It is used on the fresh air side of an engine breather system and is open to the atmosphere or plumbed back into the system after the MAF sensor on EFI equipped engines
Female Carburettor Adapter, Holley Ultra HP Inlet Feed Colour Finish:Silver Specifically designed for 396-502 cubicHolley Ultra HP, 8 AN, 2 per package. Available in Blue, Silver & Black.
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