1440cc (160 lbs hr at OE 58 PSI fuel pressure) FIC Fuel Injector Clinic Injector Set for 4.8 5.3 6.0 Truck Motors ('99 '06) (High Z) (is304 1440h) Wiring Adapters:PADPUtoGM8 The AMS Performance MKV Supra The AMS Performance MKV Supra Carbon Fiber Intake Kit is engineered to deliver a 25% reduction in pressure drop which leads to better efficiency and more power Small Block Chevy Gen II Fuel Injector Clinic Injector Set: 8x1000cc min (85lbs hr) at 3 bar (43 Plug and Play GM ECU Data available on our website The 1440cc injector is compatible with all race fuels and has excellent idle performance in street driven cars while still providing enough fuel to support higher horsepower output on both E85 and gasoline