HOO71222021HKR
1968-1972 GM A-Body Convertible/El Camino LS Swap Transmission Crossmember
OVERVIEW
Hooker BlackHeart has quickly become the leader in LS engine swaps and we are excited to offer this crossmember for 1968-1972 GM A-Body Convertible and El Camino vehicles with LS engines. The crossmember is specifically designed to fit the narrower, boxed frame rails of the A-body Convertible and El Camino models. It is compatible with our current 1968-1972 A-body LS swap engine mounting brackets (71221006HKR and 71221007HKR) to provide optimized engine fitment and U-joint operating angles.
Features:
- Specific geometry designed to fit the narrower, boxed frame rails of the A-body Convertible and El Camino models
- High strength-low alloy steel construction provides for a strong transmission mounting solution
- CAD designed to provide optimized installation, fitment, component clearances and exhaust system ground clearance
- Provides for direct installation of 4th-gen F-body T56, aftermarket T56 Magnum or 4L80/4L85 transmissions
- Provides for installation of 4L60/4L70, TH400 or 2004R transmissions through the use of available adapter kits
- Shares the same exhaust arch location as the stock 1968-1972 Chevelle crossmember for easy retrofitting
- Black semi-gloss powder coating provides a durable and attractive finish
- Compatible with 1968-1972 A-body LS swap engine mounting brackets P/N’s 71221006HKR and 71221007HKR to provide optimized engine fitment and U-joint operating angles
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 | 1968-1972 GM A-Body |
---|---|
Bracket Material | Steel |
Brand | Hooker BlackHeart |
Color | Black |
Emission Code | 6 |
Engine | GM Small Block Gen III/IV/V (LS/LT Based) |
Finish | Black Powdercoated |
Material | Steel |
Motor Type | GM LS |
Product Type | Transmission Crossmember |
Transmission | 200R4 |
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