Description

Hooker BlackHeart Transmission CrossmemberThese new crossmembers have been redesigned and are less expensive than the previous crossmember work with engine mounting brackets BHS540 for both the GM LS Gen-V LT engines.Choose the crossmember based on the transmissions that you want to run in your 1973-1987 C10:â?¢Crossmember BHS548 fits 4L60E, 4L65E, 4L70E, 4L75E, and 6L80 Transmissionsâ?¢Crossmember BHS549 fits 4L80E, and 4L85E Transmissionsâ?¢Crossmember BHS550 fits T56, and T56 Magnum TransmissionsThese crossmembers, when used with BHS540, provide the ideal u-joint angles and the best clearance for 3.00″ dual exhaust.New Headers are being developed for use with these crossmembers and the engine mounting brackets BHS540.BHS540 can be used for both LS Gen V LT swaps using the proper clamshell mounts to fit the engine. The existing headers fit these crossmembers when used with LS swap mounts 12621HKR.These Crossmembers Along with Engine Mounting Brackets BHS540 work with LS Cast Exhaust Manifolds: 8501HKR, 8501-1HKR, 8501-3HKR, 8501-4HKR, 8501-5HKR,8502HRK, 8502-1HKR, 8502-3HKR, 8502-4HKR, 8502-5HKR, 11730FLT, 11730-1FLT, or 11730-3FLT.These Crossmembers Along with Engine Mounting Brackets BHS540 work with Gen-V LT Cast Exhaust Manifolds: BHS516, BHS517, or BHS518.Application Specific Headers Will Be Available Soon for these Mounts