1978-1988 GM A/G-Body LT-Swap Crossmember Add-on Bracket for 6, 8, and 10-Speed GM Transmissions. Use with 12644HKR-1 Trans Crossmember and a standard GM Transmission Mount (71223029HKR, 71223030HKR, or 24350) as well as the following adapters if needed.
Specifications:
| Description_ASC |
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.
*TH350 Transmissions can reuse the factory transmission crossmember, but the slot in the center of the crossmember will need to be elongated in the forward direction. |
| Description_DES |
Hooker BlackHeart LS/LT Swap Crossmember Add-On Bracket - G-Body |
| Description_KEY |
cross-member; cross-members; crossmembers; G Body; Monte Carlo; Malibu; El Camino; Cutlass; Grand Prix; Regal; Bonneville; bracket; brackets; hooker; exhaust; crossmember; 10L80E;10 speed bracket; |
| Description_FAB |
Designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety and appearance |
| Description_EXT |
1978-1988 GM A/G-Body LS or LT Swap Crossmember Add-on Bracket - 6L80/90, 8L45/80/90, 10L80/90 Transmissions - Use with 12644HKR-1 |
| Description_INV |
6L80, 8L90, 10L80,10L90 ADAPTER |
| Description_MKT |
1978-1988 GM A/G-Body LT-Swap Crossmember Add-on Bracket for 6, 8, and 10-Speed GM Transmissions. Use with 12644HKR-1 Trans Crossmember and a standard GM Transmission Mount (71223029HKR, 71223030HKR, or 24350) as well as the following adapters if needed. |
| Description_MKT |
12644HKR-1 - Transmission Crossmember (no additional adapter needed for TH400/200R4/T-56/Magnum) |
| Description_MKT |
12655HKR - 4L60/65/70/75 Transmission Adapter - use with 12644HKR-1 |
| Description_MKT |
12656HKR - 4L80/85 Transmission Adapter - use with 12644HKR-1 |
| Description_MKT |
BHS5181 - 10L80/10L90 Car Transmission Adapter - must be used with both BHS5182 and 12644HKR-1 |
| Description_MKT |
BHS5182 - 6L80/90, 8L45/80/90, 10L80/90 Transmission Adapter - use with 12644HKR-1 |
| Description_MKT |
BHS5183 - Tremec TKX 5-Speed Transmission Adapter - use with 12644HKR-1 |
| Description_MKT |
*TH350 Transmissions can reuse the factory transmission crossmember, but the slot in the center of the crossmember will need to be elongated in the forward direction. |
| Finish |
Black Powdercoated |
| Emission Code |
5 |
| Engine |
GM Gen III/IV/IV (LS/LT) |
| Brand |
Hooker BlackHeart |
| Color |
Black |
| Material |
Steel |
| Motor Type |
GM LS/LT |
| Product Type |
Transmission Mount |
| Transmission |
10L80 |
| Type of Component |
Adapter |
| Length |
2.8500 |
| Width |
4.5000 |
| Height |
6.4000 |
| Weight |
1.5450 |
