Product Description
Genuine GM 19420801 LT4 Direct-Injection Fuel Injector Kit - Set of 8
Approximately 140 lb./hr. at 2,950 PSI | Includes 8 Fuel Injectors with Seals
Supply the increased fuel demands of a compatible Gen V engine with this Genuine GM 19420801 LT4 fuel injector kit. Originally developed for the supercharged LT4 engine, these production direct-injection injectors provide greater flow capacity than factory LT1, L83 and L86 injectors, making them a popular upgrade for supercharged, turbocharged and large-displacement stroker applications.
Key Features & Benefits
- Genuine GM LT4 Fuel Injectors: These are genuine GM production direct-injection fuel injectors originally used with the supercharged LT4 engine. GM part number 19420801 provides builders with an original-equipment injector set rather than an unverified aftermarket alternative.
- Increased Direct-Injection Fuel Flow: Each LT4 injector flows approximately 140 lb./hr. at the maximum operating pressure of 2,950 PSI. This higher flow capacity makes the injectors better suited than standard LT1, L83 and L86 injectors for compatible combinations with increased fueling requirements.
- Popular Gen V Performance Upgrade: LT4 injectors are commonly installed in compatible LT1, L83 and L86 engines built with superchargers, turbochargers or increased-displacement stroker combinations. Their additional capacity helps support applications that require more fuel than the original naturally aspirated injectors can supply.
- Complete Eight-Injector Kit: One package includes eight matching LT4 direct-injection fuel injectors with seals, supplying a complete set for one compatible Gen V V8 engine. Only one kit is required per engine.
- Factory LT4 Applications: These injectors were originally installed in select supercharged LT4-powered Cadillac CTS-V, Chevrolet Camaro ZL1 and Chevrolet Corvette Z06 models. They retain their factory application while also serving as an upgrade for compatible non-LT4 Gen V builds.
Notes
- PCM tuning is required when these injectors are installed in a non-LT4 application.
- An LT4 fuel pump is highly recommended for non-LT4 applications to maintain the appropriate fuel pressure for proper injector atomization.
Key Fitments
- Popular upgrade for compatible Gen V LT1 L83 L86 engines
- CADILLAC CTS-V 2016-2019 - Supercharged LT4 models only
- CHEVROLET CAMARO ZL1 2017-2018 - Supercharged LT4 models only
- CHEVROLET CORVETTE Z06 2015-2019 - Supercharged LT4 models only
