HOO12616HKR-1
1970-1981 2nd-gen F-body LS Swap Transmission Crossmember - for T56 (GM 4th-gen F-body/GTO versions only), T56 Magnum, 4L80E/4L85E*, TH400* and 200R4* Transmission Installations
OVERVIEW
Revised Design specifically for T56 (GM 4th-gen F-body/GTO versions only), T56 Magnum, 4L80E/4L85E, TH400 and 200R4 transmission installations. The revised design is easier to install since the feet are removable and can be installed separately.
Features:
- Provides for direct installation of a T56 (GM F-Body/GTO LS versions only) or T56 Magnum transmission
- Provides for installation of a 4L80E, 4L85E, TH400 or 2004R transmission with the combined use of a Hooker Blackheart 71223013HKR adapter or 12650HKR spacer block
- Designed specifically for use with Hooker Blackheart 12512HKR and 12613HKR engine mounting brackets
- CAD modeled design optimizes fitment and strength while minimizing weight
- Built with powder coated steel construction for attractive, long-lasting durability
- Designed to provide optimized U-joint working angles and exhaust system ground clearance
- Bolt-in compatible with all Hooker Blackheart headers, exhaust manifolds and exhaust systems available for this vehicle application
- Designed for use with 71223029HKR (black) or 71223030HKR (red) transmission mount
- Revised Design for easier installation with removable feet
About Hooker BlackHeart

The BlackHeart team utilizes the latest technology and materials to design exhaust systems, engine swap kits, and mufflers for both import and domestic cars and trucks. Hooker BlackHeart is platform-engineered to provide superb performance, aesthetics, and fitment.
SPECS
Application | 1970-1981 GM F-Body |
---|---|
Brand | Hooker BlackHeart |
Color | Black |
Emission Code | 6 |
Engine | GM Small Block Gen III/IV (LS Based) |
Exhaust Series | Hooker BlackHeart |
Finish | Black Powdercoated |
Material | Steel |
Motor Type | GM LS |
Product Type | Transmission Crossmember |
Subframe | Stock |
Transmission | 200R4 |
4L80E | |
4L85E | |
T56 GM | |
T56 Magnum GM | |
TH400 | |
Transmission Type | T56 (GM F-Body/GTO LS versions only) or T56 Magnum |
Type of Component | Crossmember |
UPC | 090127143018 |
Part Number | 12616HKR-1 |
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor