Posted by N2 Speed LLC. on Aug 23rd 2026
Hellcat Fuel Injector Upgrade: The Definitive Guide to Unlocking HEMI Performance
Quick answer: what size injectors does a Hellcat need?
BuildInjector size
93 octane, moderate boost1000cc (95 lb/hr)
E85 conversion1200cc-1300cc
Max-effort, over 1,000 hp1650cc and up
Bigger injecto
… read more