Hooker BlackHeart Transmission Crossmember

1963-1972 GM C10 trucks LS/LT Swap, 4L60E, TH350, 6L80 or 700R4 Transmission Crossmember

Part # 71222024HKR-2 Be the first to write a review
Estimated Ship Date: 03/25/2023
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Vehicle emissions regulations are not applicable to this item.

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This BlackHeart LS/LT engine swap transmission crossmember is for 1963-1972 GM C10 trucks. It is designed specifically for use with Hooker Blackheart engine swap brackets and exhaust components to simplify your LS/LT swap. Provides bolt-in installation of 4L60E, TH350, 6L80 or 700R4 transmission and up to 3" exhaust without hanging below frame rails.


  • Easy to install, bolt in Crossmember for use with 4L60E, TH350, 6L80, 700R4
  • Designed using CAD (computer aided design) modeling/FEA (finite element analysis) analysis for optimal fitment, strength, weight, safety and appearance
  • Welded steel construction for superior strength
  • Provides an optimum engine/transmission inclination angle that is critical to obtaining suitable U-joint working angles, when installed with Hooker BHS511 engine mounts
  • Designed in conjunction with Hooker BlackHeart C10 engine swap parts to provide bolt-in installation of BlackHeart LS and LT swap manifolds, headers and exhaust systems
  • Provides the highest clearance available for up to 3" exhaust systems eliminating any lowering concerns or issues

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.

Application1963-1966 GM C10 Trucks Gen-V LT Swap
1963-1966 GM C10 Trucks LS Swap
1967-1972 GM C10 Trucks Gen-V LT Swap
1967-1972 GM C10 Trucks LS Swap
Brand Hooker BlackHeart
Emission Code6
Product TypeTransmission Crossmember
Transmission Type4L60E, TH350, 6L80, 700R4
Part Number71222024HKR-2

Vehicle emissions regulations are not applicable to this item.

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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.