GM 19420801 LT4 Fuel Injector Kit -Includes 8 New OEM Direct Injection Injectors
Genuine GM 19420801 LT4 Fuel Injector Kit. Includes 8 Fuel Injectors with Seals. PCM Tuning is required when using in non-LT4 applications. These Genuine GM LT4 Fuel Injectors are a popular upgrade for Gen V engines including the LT1 L83 L86 to feed the increased fueling demands of supercharged, turbocharged and large displacement stroker applications. Production direct-injection fuel injectors for the supercharged LT4 engine. Flow rate of approximately 140 lbs. At max pressure of 2,950 psi. Higher flow rate than LT1/L86/L83 injectors. Eight injectors per kit. Order one kit per engine. Tuning required for non-LT4 applications. It is highly recommended to also upgrade to an LT4 fuel pump when installing these injectors in non-LT4 applications to maintain the appropriate fuel pressure for proper atomization. Original Applications Include (Supercharged LT4 models only).