1200cc (130 lbs/hr at OE 58 PSI fuel pressure) FIC Fuel Injector Clinic Injector Set for Holley GM composite intakes (High-Z) dodge ram single turbo kit If you are looking for

If you are looking for the quickest spooling option and sticking to around 400-450hp max range

9375 in 2011 GMC Sierra 1500 Rear 6400 lb

SRT-4 Fuel Injector Clinic Injector Set: 4x650cc Saturated / High Impedance Ball & Seat Injectors

2 Bar GM style MAP sensor

1200cc (130 lbs/hr at OE 58 PSI fuel pressure) FIC Fuel Injector Clinic Injector Set for Holley GM composite intakes (High-Z) dodge ram single turbo kit If you are looking forHolley GM composite intake Fuel Injector Clinic Injector Set: 8x1200cc min (110lbs hr) at 3 bar (43. 5psi) fuel pressure and 130lbs hr (1350cc min) at OE 58psi (4 bar) fuel pressure. Saturated High Impedance Injectors. Includes pigtails PGTJETR8 or add Plug & Play adaptors PADPJtoU8. Plug and Play GM ECU Data available on our website. PREVIOUSLY ISH03 1100H. This injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match