HOOBHS548
1973-1987 GM C-10/15 2WD, LS/LT swap 4L60/6L80 Transmission Crossmember - Also Fits 1979-1987 C20 2WD & 1973-1982 Blazer/Jimmy 2WD
OVERVIEW
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: • Crossmember BHS548 fits 4L60E, 4L65E, 4L70E, 4L75E, and 6L80 Transmissions • Crossmember BHS549 fits 4L80E, and 4L85E Transmissions • 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.
Features:
- 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” Exhaust System
About Hooker BlackHeart

The BlackHeart team utilizes the latest technology and materials to design exhaust systems, engine swap kits, and mufflers for both import and domestic cars and trucks. Hooker BlackHeart is platform-engineered to provide superb performance, aesthetics, and fitment.
SPECS
Application | 1973-1987 Chevrolet / GMC C10 Series Truck |
---|---|
Brand | Hooker BlackHeart |
Choose Your Part | Crossmember |
Color | Black |
Emission Code | 6 |
Engine | GM Small Block Gen III/IV (LS Based) |
Finish | Black Powdercoated |
Material | Steel |
Motor Type | GM LS |
GM LT | |
Product Type | Transmission Crossmember |
Transmission | 4L60E |
4L65E | |
4L70E | |
4L75E | |
6L80E | |
Type of Component | Crossmember |
UPC | 090127105344 |
Part Number | BHS548 |
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
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Vendor