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Description
1984-1988 Chevrolet Monte Carlo Crossmember TH400 / 2004R RCG-400Overview: Transmission Crossmember for 84 88 G Body (RWD) RCG 400 Fits Models: GM RWD G Body; Monte Carlo, El Camino, Cutlass Supreme, Grand Prix, Regal, Caballero, Bonneville Fits Years: 1984 1988 Fits Transmissions: TH400, 2004R If you are looking for improved performance check out our lighter weight, next generation of this crossmember, RCG 400NG BLK. We recommend a polyurethane transmission mount. The ParT Number GMTM is sold separately. The
Overview:
Transmission Crossmember for 84-88 G Body (RWD) - RCG-400
- Fits Models: GM RWD G-Body; Monte Carlo, El Camino, Cutlass Supreme, Grand Prix, Regal, Caballero, Bonneville
- Fits Years: 1984-1988
- Fits Transmissions: TH400, 2004R
- If you are looking for improved performance check out our lighter weight, next generation of this crossmember, RCG-400NG-BLK.
- We recommend a polyurethane transmission mount. The ParT Number GMTM is sold separately.
- 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.
Applications:
- 1987 Buick GNX
- 1984-1987 Buick Grand National
- 1984-1987 Buick Regal
- 1984-1987 Chevrolet El Camino
- 1984-1988 Chevrolet Monte Carlo
- 1984-1987 GMC Caballero
- 1985-1987 Oldsmobile 442
- 1984-1987 Oldsmobile Cutlass Supreme
- 1988 Oldsmobile Cutlass Supreme Classic
- 1984-1986 Pontiac Bonneville
- 1984-1987 Pontiac Grand Prix
- Transmission: Turbo-Hydramatic 400 (TH400 / THM400) or THM200-4R (2004R)
- Crossmember
Fitment Notes:
- The RCG-400 is bolted to the rear set of frame holes on the driver’s side frame rail.
- On some installations it is necessary to remove the catalytic converter heat shield from the passenger side floor pan.
- For all 78-88 G body crossmembers the passenger side hump is the taller of the two.
- This generation of vehicle is prone to body bushing compression, even with some southern vehicles. If the floor pan is too close to allow installation, it may be necessary to replace the body bushings. Some customers have reported that with instances where there is slight interference they have been able to gently lift the floor pan with the assistance of a floor jack and a wood cushion to create enough clearance for installation.
- This crossmember is installed so that the exhaust clearance humps are closed on the top and open on the bottom
- This crossmember is installed with the G Force label facing the rear of the vehicle. However, another determining feature is the crossmember center tube which has a 1/2″ drain slot that is positioned on the bottom and on the passenger side next to the hump weldment.
- 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.
- To use the provided 7/16″ hardware it is necessary to enlarge holes in your frame rails with a 1/2″ drill. If you choose to use the stock size 3/8″ hardware, it is strongly recommended to use new Grade #8 fasteners to compensate.
Specs:
- Brand: G Force
- Color: Black
- Country of Origin: United States
- Finish: Powder Coated
- Material: Steel
- Mounting Hardware: Included
- Weight: 32 lb
- Part Number: RCG-400
Interchange:
- RCG-400-GFPP
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
4.5 ★★★★★
Based on 1842 reviews
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Product Reviews
★★★★★ 5
they are gorgeous and functional
Color: Ivory
we got these with our cooktop and it is great value and super easy to clean goes in my dishwasher and love how it cooks and cleans they are perfect and gorgeous in white we been using them on the electric stove and they still look brand new. and they cook everything perfectly
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Reviewed in the United States on April 8, 2026
★★★★★ 5
A great cooking set for just about any meal.
Size: 11-Piece Set
This is a great set of cookware at a very reasonable price. I was looking to make the switch from using non-stick coating to something more natural to minimize the risk of potential toxins. This stainless steel cook set comes with everything that you need to cook just about any meal. As with any stainless cook set, it does require a different approach to cooking, but it's a good tradeoff to know that you're using steel instead of non-stick coating. The quality feels very sturdy, and I feel like these will last me a long time. They are very easy to clean if you soak and use something like bar keeper's friend for anything that is stuck.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Everyday use
Size: 11-Piece Set
I've used these pans for about a year now and they are still holding up great. For everyday abuse they do not faulter. Plus they clean easy. These pans are a great way to get name brand quality without breaking the bank.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Solid design, long lasting, healthy surface for cooking
Size: 11-Piece Set
I bought this exact set in 2021. I am buying more. With the number of reports about the dangers of pans made with non stick coating I decided i would only use cast iron or stainless steel going forward. These are “amazon brand” but I can say after years of use and abuse they are standing the test of time. Multiple moves, toddlers, rough use and they are all fully functional and work great. I LOVE the teardrop handles. It makes it so easy to hold the handle and the hanging holes on the handles are large allowing you to hang it more places on more things you may already have set up in your kitchen. I think anyone who is looking to get away from cheap, chemically pans off the rack should look at this set!! I have 4 years of proof they are not junk but a great long lasting items that seem to be well made. Higher price than buying a $10 pan at walmart but you get so many pots and pans with lids that will last a lifetime. You can also use stainless steel to cook in the oven so more functionality than most pans and pots you buy of the rack. You will just need to learn how to cook with stainless steel pans (check YouTube lots of instruction there).
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Reviewed in the United States on April 27, 2025
★★★★★ 4
Very pretty cookware
Size: 11-Piece Set
This is nice quality cookware for a great price. I have seen cooking shows that tell how to cook in stainless steel without it sticking. Unfortunately, my food still sticks. If I use a lot of oil, it isn’t so bad. One cooking show host says if you get it real hot before you add the oil, it won’t stick. It sticks. I am trying to get away from using Teflon because they say we have a lot of Teflon in our bodies from our cookware. I still go back to my Teflon a lot. But the cookware is very pretty, a nice weight, and cleans up fairly easily. I do soak the skillet before I clean it. I don’t have to do a lot of scrubbing. The sauce pans are great.
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Reviewed in the United States on June 10, 2025