Product Description
LT4 Fuel Line Genuine GM 12663577
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.