Description
This crossmember is designed as part of a fully-engineered LS swap mounting system for 1984-92 GM F-body vehicles. It has been CAD designed to provide an optimized balance of weight, stiffness and strength.This crossmember provides direct installation capability for 4th-gen F-body/GTO T56 and aftermarket Tremec T56 Magnum transmissions. Installation of a 4L60-4L70, 4L80/4L85, TH400 or 2004R automatic transmission can also be accomplished using this crossmember and the Hooker BlackHeart 12650HKR, 71223003HKR, or 71223004HKR adapter kits.LS Oil Pan 302-2 can be used with these mounts.
Features:
- Designed for use in LS Swap applications (Engine mounted with Hooker 71221003HKR brackets only) or to accomplish an LT1/LT4 T56 transmission swap behind a Gen 1 SBC engine
- Plate steel construction – provides a durable transmission mounting solution
- CAD designed- provides optimized strength, stiffness and weight
- Built-in divorced, adjustable torque arm bracket- solves installation issues with using transmissions not factory installed in 4th-gen F-body vehicles
- Dual-arch exhaust passages – provides highest exhaust ground clearance available
- Semi-gloss black powder coat finish- provides attractive corrosion-resistant appearance
- Transmission installations other than 4th-gen F-body T56/T56 Magnum require the use of the following adapter kit: 4L60-4L70 transmissions – 71223003HKR, 4L80/4L85 transmissions – 71223004HKR, TH400/2004R transmissions – 12650HKR
- LS Oil Pan 302-2 can be used with these mounts
Specs:
| Application | 1982-1992 Camaro / Firebird |
|---|---|
| Application | GM LS Engines |
| Brand | Hooker BlackHeart |
| Color | Black |
| Emission Code | 6 |
| Exhaust Series | Hooker BlackHeart |
| Finish | Black Powdercoated |
| Material | Steel |
| Motor Type | GM LS/SBC |
| Product Type | Transmission Crossmember |
| Sale Category | Engine Swap Parts |
| Transmission | 200R4 |
| Transmission | 4L60E |
| Transmission | 4L65E |
| Transmission | 4L70E |
| Transmission | 4L80E |
| Transmission | 4L85E |
| Transmission | T56 GM |
| Transmission | T56 Magnum GM |
| Transmission | TH400 |
| Transmission Type | T56/T56 Magnum |
| Type of Component | Crossmember |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1984-1986 | Chevrolet | Camaro | Berlinetta |
| 1985-1990 | Chevrolet | Camaro | Iroc-Z |
| 1984-1987 | Chevrolet | Camaro | Sport |
| 1984-1992 | Chevrolet | Camaro | Z28 |
| 1989-1992 | Chevrolet | Camaro | RS |
| 1992 | Chevrolet | Camaro | RS Heritage Edition |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition |
| 1989-1992 | Pontiac | Firebird | Formula |
| 1984-1992 | Pontiac | Firebird | Trans Am |
| 1989-1992 | Pontiac | Firebird | Trans Am GTA |
| 1988 | Chevrolet | Camaro | Base |
| 1984-1992 | Pontiac | Firebird | Base |
| 1987 | Chevrolet | Camaro | LT |
| 1989 | Pontiac | Firebird | Trans Am GTA SE |
| 1984-1986 | Pontiac | Firebird | S/E |




