Pay in 4 interest-free payments of $10.00 Learn more
Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
Computer Chip/Programmer Included:No
4" Diameter for high water flow applications (over-drive)
Big Block Chev & Ford 3/8 ARP Chromoly Header Bolt Kit # 100-1102
They allow you to upgrade a carbureted system to EFI without replacing the fuel pressure regulator
order the Ultra XP carburetor with options best suited for your race application
Holley Standard Main Jets . Size 63 # HO122-63 Rate_Engine Computer Chip/Programmer Included:NoHolley Standard Main Jets . Size 63 # HO122 63 BRAND NEW GENUINE HOLLEY STANDARD MAIN JETS. SALE IS FOR A PACKET OF 2 JETS. Fine tune your carburetor for street or race conditions. These Holley standard main jets are just what you need to fine tune your carburetor for street or race. Threaded for easy installation and removal, Holley jets are manufactured to high tolerances for consistency.
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