Hooker Blackheart Transmission Crossmember

1973-1987 GM C-10/15 2WD, LS/LT swap T56/T56 Magnum Transmission Crossmember - Also Fits 1979-1987 C20 2WD & 1973-1982 Blazer/Jimmy 2WD

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: 窶｢ Crossmember BHS548 fits 4L60E, 4L65E, 4L70E, 4L75E, and 6L80 Transmissions 窶｢ Crossmember BHS549 fits 4L80E, and 4L85E Transmissions 窶｢ Crossmember BHS550 fits T56, and T56 Magnum Transmissions These crossmembers, when used with BHS540, provide the ideal u-joint angles and the best clearance for 3.00" dual exhaust.

Revised Design with Lower Pricing

Fits 1973-1987 C10/15 2WD, 1979-1987 C20 2WD & 1973-1982 Blazer/Jimmy 2WD

LS/Gen-V LT Swap Transmission Crossmembers

Designed for Use with All 1973-1987 C10 LS/Gen-V LT Swap Components

Use with BHS540 Engine Mounting Brackets (Also Works with 12621HKR)

Designed Using CAD Modeling/FEA Analysis for Optimal Strength, Weight, Safety & Appearance

Welded Steel Construction w/ Black Powder Coated Finish

Provides an Optimum Engine/Transmission Inclination Angle That is Critical to Obtain Suitable U-Joint Working Angles, when installed with BHS540 Engine Mounting Brackets

Designed in Conjunction with Other Hooker Blackheart C10 Engine Swap Parts to Provide Bolt-in Installation of Hooker LS and LT Swap Manifolds and Exhaust Systems for this Application

Provides the Highest Clearance Available for up to 3.00窶・Exhaust System