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Description
Fits 1979-1988 Monte Carlo; LS or LT Swap Crossmember Add-On Bracket 12655HKR1978 1988 GM A G Body LS Swap Crossmember Add on Bracket for 4L60 65 70 75 Transmission Variations *MUST be used in addition to Hooker Blackheart Transmission Crossmember 12644HKR 1 Features: Designed using CAD modeling FEA analysis for optimal fitment, strength, weight, safety and appearance Specs: Brand Hooker BlackHeart Color Black Emission Code 5 Engine GM Gen III IV (LS) Finish Black Powdercoated Material Steel Motor Type GM LS Motor Type GM LT
1978-1988 GM A/G-Body LS-Swap Crossmember Add-on Bracket for 4L60/65/70/75 Transmission Variations *MUST be used in addition to Hooker Blackheart Transmission Crossmember - 12644HKR-1
Features:
- Designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety and appearance
Specs:
| Brand | Hooker BlackHeart |
|---|---|
| Color | Black |
| Emission Code | 5 |
| Engine | GM Gen III/IV (LS) |
| Finish | Black Powdercoated |
| Material | Steel |
| Motor Type | GM LS |
| Motor Type | GM LT |
| Product Type | Transmission Mount |
| Transmission | 4L60E |
| Transmission | 4L65E |
| Transmission | 4L70E |
| Transmission | 4L75E |
| Type of Component | Adapter |
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
4.9 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
🦴 The Ultimate Distraction: A Must-Have for Power Chewers!
Flavor Name: Bacon, Size: 1 Count (Pack of 1)
Finding a chew toy that can withstand my 70-pound "House Hippo" (an expert-level destructor) for more than ten minutes felt impossible, until we discovered these stuffed shin bones. These treats are an absolute game-changer for long-lasting entertainment, durability, and distraction.
Exceptional Durability and Value:
The bone itself is thick, natural, and surprisingly sturdy. Unlike processed chews that crumble or get demolished instantly, these last for days of chewing. The value is tremendous because they provide two phases of entertainment: first, the intense effort of licking out the filling, and second, the satisfying work of chewing the bone itself afterward.
Irresistible Appeal (Peanut Butter/Cheese Filling):
The filling is the secret weapon! My dog goes absolutely wild for the flavor. The filling is firmly packed inside, which means he has to spend a significant amount of time actively working to get every last bit. This intense focus buys me hours of peace and quiet, which is invaluable. On top of that, they offer good nutrition!
Less Mess, More Fun:
I appreciate that these bones are relatively neat. They don't leave greasy residue all over the carpet like some marrow bones, and the durable exterior means minimal splintering (though, as with any bone, supervision is required). They satisfy my dog's natural chewing instinct while promoting dental health by scraping against his teeth as he works the chew.
Final Verdict:
If you have an aggressive chewer who needs a serious, long-lasting treat that is both entertaining and structurally sound, look no further. These stuffed bones deliver on their promise and are now a staple in our dog treat rotation!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 4, 2025
★★★★★ 5
Still Going Strong Months Later
Flavor Name: Bacon, Size: 1 Count (Pack of 1)
These stuffed chew bones have been amazing for my dogs. Even months later, they’re still happily chewing on them, and that says a lot since they’re aggressive chewers. The bacon and cheese filling keeps them interested, and the bones themselves are durable enough to handle their chewing without falling apart.
After all this time, the chews are still holding up and my dogs love them every time. They keep my dogs busy, help with dental care, and are definitely worth having on hand for large dogs who love to chew. Durable, tasty, and long-lasting—can’t ask for more.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Long lasting
Flavor Name: Bacon, Size: 1 Count (Pack of 1)
These are the longest lasting bones I have ever purchased. But if you don't want a heavy bone that makes noise when dropped this is not for you. They go sliding across my floor as they are being tossed around and played with. But they love them and they have lasted for months. I am glad they are not as expensive as others. To many things are over priced. Dogs love them.
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Reviewed in the United States on May 14, 2026
★★★★★ 4
Arrived on time and as described
Flavor Name: Bacon, Size: 1 Count (Pack of 1)
It is perfect for my 120 lb dog. He did give up after 6 hours of trying to get the “stuffing” out. The bone held up to his chewing. He loved it!
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Reviewed in the United States on January 14, 2026
★★★★★ 3
Be Very Cautious!
Flavor Name: Bacon, Size: 1 Count (Pack of 1)
Splinters easily if you have an aggressive chewer! Although very tasty, within hours of a dog (lab/shepherd mix) I care for excitedly indulging in it, I was picking pieces he easily could have choked on (or worse). The large end of the bone splintered/cracked quicker than other bones he’s had which makes it very dangerous. Value for money is iffy due to that. Bone is a good price but not when it endangers the health of an animal. I gave it 3 stars because it had no smell, dog enjoyed the flavor, but definitely be cautious with this bone!
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Reviewed in the United States on February 16, 2026