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Description
1978-1983 G-Body Crossmember -TH400 with frame extension RCG-400KFits Models: GM RWD G Body; Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, Century, LeMans, Caballero, Bonneville Fits Years: 78 83 Fits Transmissions: TH400, 2004R If you are looking for improved performance check out our lighter weight, next generation of this crossmember, RCGNG 400KBLK. We recommend a polyurethane transmission mount. The G Force GMTM is sold separately. G force has developed a frame extension, GF FE100, to duplicate
- Fits Models: GM RWD G-Body; Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, Century, LeMans, Caballero, Bonneville
- Fits Years: 78-83
- Fits Transmissions: TH400, 2004R
- If you are looking for improved performance check out our lighter weight, next generation of this crossmember, RCGNG-400KBLK.
- We recommend a polyurethane transmission mount. The G Force GMTM is sold separately.
- G force has developed a frame extension, GF-FE100, to duplicate this longer frame on the early generation vehicles. The RCG-400K is pre-packaged with the frame extension.
- The primary frame change on the 1978-1988 generation of GM G-Body vehicles begins with 1984 models and the implementation of the 2004R transmission which required positioning the crossmember further to the rear of the vehicle. This is evidenced by two sets of frame holes for the crossmember on the driver side of the vehicle.
- Note: Some 1983 Hurst Olds are known to have the 2004R transmission and thus the longer frame rail which does not require the GF-FE100 frame extension that is included in this Kit. Some 1984 El Caminos retained the early frames and do require an GF-FE100 frame extension to run this crossmember.
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1982-1983 | Pontiac | Bonneville | |
| 1978-1983 | GMC | Caballero | |
| 1978-1981 | Buick | Century | |
| 1978-1981 | Oldsmobile | Cutlass Calais | |
| 1980-1983 | Oldsmobile | Cutlass Cruiser | |
| 1978-1980 | Oldsmobile | Cutlass Salon | |
| 1978-1983 | Oldsmobile | Cutlass Supreme | |
| 1978-1983 | Pontiac | Grand Prix | |
| 1978-1981 | Pontiac | LeMans | |
| 1978-1983 | Chevrolet | Malibu | |
| 1978-1983 | Chevrolet | Monte Carlo | |
| 1978-1983 | Buick | Regal |
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 20 reviews
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Product Reviews
★★★★★ 5
It serves it's purpose!!
Size: 1 Panel, Color: Black
Product really works well & serves it's purpose! Great height & width. It's flimsy, but it will stand still when put in place.
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Reviewed in the United States on April 4, 2025
★★★★★ 1
Zero stars
Size: 1 Panel, Color: Black
The bars are impossible to screw in all the way so it’s not sturdy at all, trash and waste of time
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Great product, sturdy and well made. Easy assembly.
Size: 3 Panel, Color: Beige
These are awesome! They were easy to assemble. They are lightweight and easy to move. I was able to easily put all 6 pieces -(I ordered two sets)-into the back of my SUV at once, by myself (and I'm a short, older lady). Quality material. Very sturdy and steady. The first set I opened was a used one and did not include instructions, but it was still very easy to assemble and figure out. I recommend using a battery powered screwdriver. With that, the assembly of all 6 panels took less than 45 minutes.
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Reviewed in the United States on September 24, 2025
★★★★★ 3
Defective product
Size: 1 Panel, Color: Black
All screws cannot fit with each connectors. The Allen key provided is useless because it doesn’t fit into screws.
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Reviewed in the United States on November 7, 2025
★★★★★ 5
Love it, happy with the price
Size: 1 Panel, Color: Black
I have been using this product for a month now. I'm absolutely thrilled with my new Room Divider. It's has made a significant difference in my home. The divider is not only stylish and well-crafted but also incredibly functional. It has effectively separated my open space into cozy, distinct areas, enhancing privacy. Assembly was a breeze, and it's built to last. This room divider has truly transformed my living space, and I couldn't be happier.
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Reviewed in the United States on December 30, 2024