HOOKER BLACKHEART TRANSMISSION CROSSMEMBER
1978-1988 GM A/G-Body LS swap 4L60//4L65/4L70/4L80/TH400/2004R/T56/T56 Magnum Transmission Crossmember
Part # 12644HKR-1
Features:
- The LS Swap Crossmember for the GM G-Body has some very minor design updates & has been superseded from 12644HKR to part number 12644HKR-1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
| Brand | Hooker BlackHeart |
|---|---|
| Color | Black |
| Emission Code | 5 |
| Finish | Black Powdercoated |
| Material | Steel |
| Motor Type | GM LS |
| Product Type | Transmission Crossmember |
| Transmission | 200R4 |
| 4L60E | |
| 4L65E | |
| 4L70E | |
| 4L75E | |
| 4L80E | |
| 4L85E | |
| T56 GM | |
| T56 Magnum GM | |
| TH400 | |
| Transmission Type | 4L60/4L65/4L70/4L80/TH400/2004R/T56/T56 Magnum |
| Type of Component | Crossmember |
| UPC | 090127117194 |
| Part Number | 12644HKR-1 |
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