These 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
Features:
- Revised Design With Lower Pricing
- Designed For Use W/1973-1987 C10
- Use w/BHS540 Engine Mount
- Designed Using CAD Modeling
- Welded Steel Construction w/Black Powder Coated Finish
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
Installation Notes:
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
