MENU

Hooker BlackHeart Transmission Crossmember

1973-87 GM C-10/20 2WD LS swap 4L60/4L80/TH350/TH400/2004R/ T56/T56 Magnum Transmission Crossmember

PART# 12646HKR

Be the first to write a review
$278.95   Suggested Retail
$225.86   Holleydays Price
Free Shipping
In Stock  
Qty: 
Add to Wish List

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 also required for installation of a TH350, 700R4, T56 or T56 Magnum transmission. *NOT COMPATIBLE WITH TREMEC TR6060 TRANSMISSIONS.

Overview

1973-87 GM C-10/20 2WD LS swap 4L60/4L80/TH350/TH400/2004R/ T56/T56 Magnum Transmission Crossmember. 12645HKR adapter bracket is also required for installation of a TH350, 700R4, T56 or T56 Magnum transmission

Features:

  • Facilitates installation of a 4L60/4L80/TH350/TH400/2004R/T56/T56 behind an LS engine in 1973-87 GM C-10/20 2WD applications (may require add-on bracket, see installation notes)
  • 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
  • Provides the highest clearance available for up to 3" exhaust system routing

Specs

BrandHooker BlackHeart
Emission Code5
FinishBlack Powdercoated
MaterialSteel
Product TypeCrossmember
Transmission Type4L60/4L80/TH350/TH400/2004R/ T56/T56 Magnum
Part Number12646HKR

Emissions

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.

Tech Resources

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 also required for installation of a TH350, 700R4, T56 or T56 Magnum transmission. *NOT COMPATIBLE WITH TREMEC TR6060 TRANSMISSIONS.

Applications

We Suggest
    Also Bought
      Reviews

        *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.

         X  Holleydays