Product Description
Genuine GM 12663577 LT4 Fuel Line
Recommended Fuel Line Upgrade for BTR Trinity Intake Manifold Clearance on Gen V LT1 L83 L86 Engines
The Genuine GM 12663577 LT4 Fuel Line is a recommended upgrade when installing BTR Trinity intake manifolds on Gen V LT1, L83, and L86 engines where additional fuel line clearance is needed. This fuel line is also commonly used when installing LT4 high-pressure fuel pump and injector combinations on non-LT4 Gen V engines. As a Genuine GM component, it also serves as the factory replacement fuel line for 2016-2019 CTS-V and 2017-2024 Camaro ZL1 LT4 engines.
Key Features & Benefits
- Genuine GM LT4 Fuel Line: This Genuine GM fuel line is the factory-style component used for applications requiring GM part number 12663577. It gives builders, installers, and repair shops an OEM replacement option when servicing LT4 fuel system hardware or completing Gen V LT fuel system upgrades.
- Recommended for BTR Trinity Intake Manifold Clearance: This line is a recommended upgrade for optimal clearance when installing BTR Trinity intake manifolds on Gen V LT1, L83, and L86 engines. It helps support a cleaner intake manifold installation where the original fuel line routing may create clearance concerns.
- Common LT4 HPFP and Injector Swap Support Part: This fuel line is commonly used when installing an LT4 high-pressure fuel pump and LT4 injectors on non-LT4 Gen V engines. It is a useful supporting component for builders converting or upgrading Gen V LT fuel system parts around LT4-style hardware.
- Factory Replacement for LT4 Applications: Genuine GM 12663577 is a factory replacement part for 2016-2019 CTS-V and 2017-2024 Camaro ZL1 LT4 engines. This makes it a practical service part for repairing or replacing the original LT4 fuel line in listed factory-supercharged applications.
- Useful for Gen V LT Performance Builds: Fuel system routing becomes more important when changing intake manifolds, high-pressure fuel pumps, injectors, or other top-end components. This Genuine GM line gives Gen V LT builders a proven fuel line option for BTR Trinity intake installs, LT4 fuel system conversions, and OEM LT4 service work.
Package Includes
- (1) Genuine GM 12663577 LT4 Fuel Line
Specs
- Brand: Genuine GM
- GM Part Number: 12663577
- Product Type: LT4 fuel line
- Engine Family: Gen V LT engines
- Common Upgrade Applications: LT1, L83, L86 with BTR Trinity intake manifold installations
- Common Fuel System Use: LT4 HPFP and injector installs on non-LT4 Gen V engines
- Factory Replacement Applications: CTS-V LT4 and Camaro ZL1 LT4 engines
Notes
- Recommended upgrade for optimal clearance when installing BTR Trinity Intake manifolds on Gen V LT1/L83/L86 engines.
- Also commonly used when installing LT4 HPFP and injectors on non-LT4 Gen V engines.
Key Fitments
- Recommended upgrade for optimal clearance when installing BTR Trinity Intake manifolds on Gen V LT1/L83/L86 engines.
- Also commonly used when installing LT4 HPFP and injectors on non-LT4 Gen V engines.
- Factory replacement part for 2016-2019 CTS-V and 2017-2024 Camaro ZL1 LT4 engines.