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Description
Fits 1979-1988 Chevrolet Monte Carlo; Transmission Crossmember-G-Body-LS - 12644Making it possible to fit almost any GM transmission into your G Body alongside an LS or LT, this updated transmission crossmember should be used with an aftermarket urethane transmission mount such as the Hooker Blackheart 71223029HKR or 71223030HKR or equivalent. Due to the unique design geometry of this transmission crossmember, attempts to install it with headers and or engine mounting plates brackets other than those developed by HOOKER for this
Making it possible to fit almost any GM transmission into your G-Body alongside an LS or LT, this updated transmission crossmember should be used with an aftermarket urethane transmission mount such as the Hooker Blackheart 71223029HKR or 71223030HKR or equivalent. Due to the unique design geometry of this transmission crossmember, attempts to install it with headers and/or engine mounting plates/brackets other than those developed by HOOKER™ for this application will more than likely not be successful. When used with the related Hooker™ 12643HKR or BHS5179 engine mounting bracket kit, this CAD designed transmission crossmember will replicate the stock small block Chevy engine/transmission inclination angle and eliminate or minimize the need to adjust the rear pinion angle in stock to moderately lowered chassis applications. Depending on the transmission, the following part numbers will be necessary: *No additional adapter needed for TH400/200R4/T-56/Magnum. TH350 Transmissions can reuse the factory transmission crossmember, but the slots in the center of the crossmember will need to be elongated in the forward direction. 12655HKR - 4L60/65/70/75 Transmission Adapter 12656HKR - 4L80/85 Transmission Adapter BHS5181 - 10L80/10L90 Car Transmission Adapter - must be used with BHS5182 (for G-Body) BHS5182 - 6L80/90, 8L45/80/90, 10L80/90 Transmission Adapter BHS5183 - Tremec TKX 5-Speed Transmission Adapter
Features:
- This LS and LT Swap Crossmember for the GM G-Body has some very minor design updates & has been updated 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
Specs:
| Brand | Hooker BlackHeart |
|---|---|
| Color | Black |
| Emission Code | 5 |
| Engine | GM Gen III/IV (LS) |
| Finish | Black Powdercoated |
| Material | Steel |
| Product Type | Transmission Crossmember |
| Sale Category | Engine Swap Parts |
| Transmission | 200R4 |
| Transmission | 4L60E |
| Transmission | 4L65E |
| Transmission | 4L70E |
| Transmission | 4L75E |
| Transmission | 4L80E |
| Transmission | 4L85E |
| Transmission | T56 GM |
| Transmission | T56 Magnum GM |
| Transmission | TH400 |
| Type of Component | Crossmember |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1979-1988 | Chevrolet | Monte Carlo | Base |
| 1986-1988 | Chevrolet | Monte Carlo | LS |
| 1983-1988 | Chevrolet | Monte Carlo | SS |
| 1978-1988 | Oldsmobile | Cutlass Calais | Base |
| 1988 | Oldsmobile | Cutlass Calais | GT |
| 1988 | Oldsmobile | Cutlass Calais | International |
| 1988 | Oldsmobile | Cutlass Calais | SL |
| 1982-1988 | Oldsmobile | Cutlass Ciera | Base |
| 1982-1988 | Oldsmobile | Cutlass Ciera | Brougham |
| 1988 | Oldsmobile | Cutlass Ciera | International |
| 1982-1988 | Oldsmobile | Cutlass Ciera | LS |
| 1986-1988 | Oldsmobile | Cutlass Ciera | S |
| 1986-1988 | Oldsmobile | Cutlass Ciera | SL |
| 1978-1988 | Oldsmobile | Cutlass Supreme | Base |
| 1988 | Oldsmobile | Cutlass Supreme | Classic |
| 1988 | Oldsmobile | Cutlass Supreme | Classic Brougham |
| 1988 | Oldsmobile | Cutlass Supreme | Indy 500 Pace Car |
| 1988 | Oldsmobile | Cutlass Supreme | International |
| 1988 | Oldsmobile | Cutlass Supreme | SL |
| 1978-1988 | Pontiac | Grand Prix | Base |
| 1984-1988 | Pontiac | Grand Prix | LE |
| 1988 | Pontiac | Grand Prix | SE |
| 1988 | Pontiac | LeMans | Aerocoupe |
| 1988 | Pontiac | LeMans | Aerocoupe YL |
| 1978-1988 | Pontiac | LeMans | Base |
| 1988 | Pontiac | LeMans | SE |
| 1988 | Pontiac | LeMans | Value Leader |
| 1978-1987 | Buick | Regal | Base |
| 1987 | Buick | Regal | GNX |
| 1984-1987 | Buick | Regal | Grand National |
| 1978-1987 | Buick | Regal | Limited |
| 1978-1987 | Chevrolet | El Camino | Base |
| 1978-1987 | Chevrolet | El Camino | SS |
| 1978-1987 | GMC | Caballero | Base |
| 1978-1987 | GMC | Caballero | Diablo |
| 1980-1987 | Oldsmobile | Cutlass | Base |
| 1987 | Oldsmobile | Cutlass | Eurosport |
| 1987 | Oldsmobile | Cutlass | Lujo |
| 1985-1987 | Oldsmobile | Cutlass | Salon |
| 1985-1987 | Oldsmobile | Cutlass Ciera | GT |
| 1978-1987 | Oldsmobile | Cutlass Salon | Base |
| 1987 | Oldsmobile | Cutlass Supreme | 442 |
| 1978-1987 | Oldsmobile | Cutlass Supreme | Brougham |
| 1981-1987 | Pontiac | Grand Prix | Brougham |
| 1983-1986 | Buick | Regal | T-Type |
| 1978-1986 | Chevrolet | El Camino | Conquista |
| 1981-1986 | GMC | Caballero | Amarillo |
| 1983-1986 | Oldsmobile | Cutlass Ciera | ES |
| 1985-1986 | Oldsmobile | Cutlass Ciera | Holiday |
| 1978-1986 | Oldsmobile | Cutlass Salon | 442 |
| 1978-1986 | Pontiac | Bonneville | Base |
| 1978-1986 | Pontiac | Bonneville | Brougham |
| 1984-1986 | Pontiac | Bonneville | LE |
| 1984-1985 | Oldsmobile | Cutlass Ciera | Cruiser |
| 1984-1985 | Oldsmobile | Cutlass Ciera | Cruiser LS |
| 1981-1985 | Oldsmobile | Cutlass Supreme | LS |
| 1983-1984 | Oldsmobile | Cutlass Calais | Hurst |
| 1982-1983 | Buick | Regal | Estate Wagon |
| 1978-1983 | Chevrolet | Malibu | Classic |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1980-1983 | Oldsmobile | Cutlass Cruiser | Base |
| 1978-1983 | Pontiac | Grand Prix | LJ |
| 1982 | Buick | Regal | Limited Turbo |
| 1978-1982 | Buick | Regal | Sport |
| 1979-1981 | Chevrolet | El Camino | Royal Knight |
| 1978-1981 | Chevrolet | Malibu | Base |
| 1978-1981 | Chevrolet | Malibu | Classic Landau |
| 1978-1981 | Chevrolet | Monte Carlo | Landau |
| 1981 | GMC | Caballero | Conquista |
| 1981 | GMC | Caballero | Royal Knight |
| 1980-1981 | Oldsmobile | Cutlass | Brougham |
| 1980-1981 | Oldsmobile | Cutlass | LS |
| 1981 | Oldsmobile | Cutlass | Supreme |
| 1980-1981 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1978-1981 | Pontiac | Bonneville | Safari |
| 1978-1981 | Pontiac | LeMans | Safari |
| 1978-1980 | Chevrolet | Malibu | Classic Estate |
| 1979-1980 | Chevrolet | Malibu | Classic Sport |
| 1979-1980 | Chevrolet | Malibu | Estate |
| 1979-1980 | Chevrolet | Malibu | Sport |
| 1978-1980 | Chevrolet | Monte Carlo | Sport |
| 1978-1980 | GMC | Caballero | Laredo |
| 1978-1980 | Oldsmobile | Cutlass Salon | Brougham |
| 1978-1980 | Pontiac | Grand Prix | SJ |
| 1979 | Chevrolet | Malibu | Landau |
| 1979 | Chevrolet | Malibu | Police |
| 1978-1979 | Oldsmobile | Cutlass | Vista Cruiser |
| 1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham |
| 1979 | Oldsmobile | Cutlass Salon | Hurst |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Be aware! Once they are on, do not walk! 😂
Flavor Name: XL silicone socks 2 pairs
I absolutely love these things. But the first time I put them on in the living room. The walk to my bedroom was VERY interesting 😂😂😂 I now know I need to put them on and hang out for a bit, or simply go to bed. They do exactly what I need them to do. Feet feel great afterwards! With the right lotion, only need to use one every couple of weeks.
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Reviewed in the United States on January 10, 2025
★★★★★ 5
Transformed my feet
Flavor Name: XL silicone socks 2 pairs
After trying several other brands that actually my size did not have the luxury feeling of these. T although x large they have the BEST feel and function. I put lotion on then slip them on and within a few minutes my dry cracked heals are soft. Really a nice product.
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Reviewed in the United States on July 24, 2024
★★★★★ 3
Ok
Ok
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
★★★★★ 5
THE DOG TREATS SO GOOD EVEN PHOEBE KNOWS THEY ARE FROM A WINNER
Size: 1 Count (Pack of 6)
These Wonder Bound pig ears are absolutely INCREDIBLE. Truly one of the greatest dog treats ever created. People come up to me and they say, Sir, my dog has NEVER reacted to anything like this. And I tell them, of course not. These are REAL pig ears. Not the fake tiny pieces you get from weak companies. These are STRONG ears. Beautiful ears.
Now I do not personally eat pig ears. Everybody knows this. I have a tremendous diet. Very refined. But DOGS, they understand things on a deeper level. Dogs know QUALITY. Dogs know WINNERS. Some people don’t, but dogs do.
And Phoebe. Very smart dog. People tell me she is one of the smartest. Incredible instincts. She saw this bag and immediately knew it was the BEST. Not good. Not great. The BEST. She did the excited thing dogs do. Very respectful. Very appreciative. Some say she even endorsed it. I’m not saying that. But many are.
She took the ear and ran like she had just made the greatest deal of her life. Tremendous speed. Very athletic dog. Very loyal. And she chewed it with POWER. You could see it in her eyes. She was thinking, This is from a winner. Dogs sense that. They really do.
The size is perfect. Not small. Not flimsy. A whole ear. The kind of treat a DOG OF DISTINCTION deserves. It keeps them busy, focused, and happy. Very important qualities. And let me tell you, Phoebe looked extremely satisfied. People saw it. They said, Sir, that is a dog who knows success.
Five stars. Would buy again. If I were a dog, which I am not, I would ONLY eat these. They are THAT good. Just ask Phoebe. She knows.
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Reviewed in the United States on November 24, 2025
★★★★★ 5
Jake the Chocolate Lab Can't Tell You- But He Liked Them.
Size: 1 Count (Pack of 6)
I suppose that I should give you the details of my experience with the product. They came in a quality, resealing bag. I actually ordered this item from the Amazon page.
I got them for my parents' dog Jake- a three year old chocolate lab. I hid one in my hoodie pocket and he began zeroing in on that area after a few seconds, wondering what was in my pocket. It may just be me, but if you aren't familiar with pig ears- they don't stink or anything like that. Yes, they are actual pig ears. But they contain pork and are a decent snack for dogs every now and then. In retail we would always sell out of pig ears.
I took the pig ear out of my pocket. Jake took it in his mouth and proceeded over to his bed area where he licked the pig ear for about a minute, probably because it is salty. I don't wish to find out. He then carefully munched down on it and took a short drink of water. He then proceeded to run over and tackle me (as he is wont to do). Oddly, his breath did not stink.
I bought these as an alternative to rawhide. Two decades ago I got my parents to stop buying rawhide (about as gross as beef 'pizzle' and instead buy pig ears and deer antler chews. He seems to like them, and if they aren't causing an issue I don't see why Jake can't have one every now and then, especially when he behaves.
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Reviewed in the United States on January 24, 2026