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- USA
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Fits 1979-1988 Monte Carlo; LS or LT Swap Crossmember Add-On Bracket 12656HKR1978 1988 GM A G Body LS Swap Crossmember Add on Bracket for 4L80E 4L85E Transmissions *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 Product Type Transmission Mount Transmission
1978-1988 GM A/G-Body LS-Swap Crossmember Add-on Bracket for 4L80E/4L85E Transmissions *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 |
| Product Type | Transmission Mount |
| Transmission | 4L80E |
| Transmission | 4L85E |
| 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
4.2 ★★★★★
Based on 563 reviews
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Product Reviews
★★★★★ 5
Genial
Size: One Size, Color: (015) Tetra Gray / Gray Matter / White Quartz
Me encanta la textura y sobre todo que tiene para que siempre sepas en cuál pies va!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2025
★★★★★ 5
Comfortable
Size: One Size, Color: (348) Silica Green / White / Titan Gray
Comfortable and stays in place
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2025
★★★★★ 5
Best socks for work or working out.
Size: One Size, Color: (015) Tetra Gray / Gray Matter / White Quartz
Great socks. They stay on your heel! Love the material; breathable and not thick. Love the neutral tone colors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 1, 2025
★★★★★ 3
Didn’t meet full expectations
Size: One Size, Color: (001) Black / Black / Jet Gray
Much shorter than anticipated.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2025
★★★★★ 5
Perfect thickness and soft feel.
Size: 6-10, Color: Halo Gray/Assorted
Why did you pick this product vs others?:
Love theses socks. It's hard to find socks which won't get pulled down by athletic shoes. These stay put.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 29, 2025