Holley Standard Main Jets . Size 99 # HO122-99 Rate_10 The replaceable mufflers are available

The replaceable mufflers are available separately in two different styles: glasspack and reverse flow

which means that there are no power valves to blow out

Connectors are designed for Holley 4 BBL style throttle bodies

The Sniper EFI air cleaner drop base was designed specifically for use with the Sniper EFI 4BBL throttle body and a 14" air cleaner element and lid

Holley Standard Main Jets . Size 99 # HO122-99 Rate_10 The replaceable mufflers are availableHolley Standard Main Jets . Size 99 # HO122 99 FOR SALE WE HAVE 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.