Hooker Blackheart 12644HKR-1 Transmission Crossmember
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US$79.98
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Product details
| Management number | 254780953 | Release Date | 2026/11/07 | List Price | US$79.98 | Model Number | 254780953 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Compatible with 1978-1988 GM® A/G-Body LS swap with 4L60//4L65/4L70/4L80/TH400/2004R/T56/T56 Magnum Transmission. This product is not created or sold by GM®.;<br><br>1978-1988 GM A/G-Body LS swap 4L60//4L65/4L70/4L80/TH400/2004R/T56/T56 Magnum Transmission Crossmember;
- The LS Swap Crossmember for the G-Body has some very minor design updates & has been superseded from 12644HKR to part number 12644HKR-1
- Facilitates installation of a 4L60/4L65/4L70/4L80/TH400/2004R/T56/T56 behind an LS engine in 78-88 GM A/G Body 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 optimized engine/transmission inclination angle that is critical to obtaining suitable U-joint working angles, when installed with Hooker 12643HKR engine mounts
- Designed in conjunction with other Hooker BlackHeart GM A/G-Body 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" dual exhaust system routing
| Manufacturer part number | 12644HKR-1 |
|---|---|
| Automotive specialty part type | Transmission Crossmembers |
| Compatible cars | 1978-1988 GM A/G-Body |
| Vehicle fitment type | Specific |
| Vehicle make | GM |
| Vehicle model | A/G Body |
| Brand | Hooker Classic |
| Vehicle year | 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988 |
| Weight | 23.33 lb |
| Material | Steel |
| Finish | Black Powdercoated |
| Color | Black |
| Items included | Hooker BlackHeart |
| Vehicle type | Car |
| Model | 12644HKR-1 |
| Count per pack | 1 |
| Has written warranty | No |
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Transmission Crossmembers
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