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Hooker Blackheart

Hooker Blackheart 12645HKR Transmission Crossmember Adapter Bracket

Part # 12645HKR Be the first to write a review

Compatible with 1973-1987 GM C-2010/C15 2WD, 1979-1987 C20 2WD & 1973-1982 Blazer/Jimmy 2WD LS Swap Adapter Bracket for TH350, 700R4, T56, T56 Magnum

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Hooker Blackheart 12645HKR Transmission Crossmember Adapter Bracket

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1973-1987 GM C-2010/C15 2WD, 1979-1987 C20 2WD & 1973-1982 Blazer/Jimmy 2WD LS swap adapter bracket. This bracket is required to be used with 12646HKR for installation of a TH350, 700R4, T56 or T56 Magnum transmission.

Features:

  • Facilitates installation of a TH350, 700R4, T56 or T56 Magnum transmission behind an LS engine in 1973-87 GM C-10/20 2WD applications (requires 12646HKR crossmember)
  • Designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety and appearance
  • Welded steel construction
  • Provides an optimum engine/transmission inclination angle that is critical to obtaining suitable U-joint working angles, when installed with Hooker 12621HKR engine mounts
  • Designed in conjunction with other Hooker GM C-10/20 engine swap brackets to provide bolt-in installation of Hooker LS swap manifolds, headers and exhaust systems for this application
Brand Hooker Blackheart
Emission Code5
Product TypeTransmission Crossmembers
UPC090127716458
Manufacturer Part Number12645HKR
Part Number12645HKR
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.
Instructions for Part# 12645HKR
GM C10/20 LS Swap Selection Guide
Integral component of the complete Hooker BlackHeart swap system for this application. Component features unique geometry that is not compatible for use with any other brand of engine mounting components. 12645HKR adapter bracket is required for installation of a TH350, 700R4, T56 or T56 Magnum transmission.
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