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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
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Description
1977-1990 B-Body Crossmember RCB3-400Fits Models: Caprice, Impala, LeSabre, Oldsmobile 88, Bonneville, Parisienne, Catalina Fits Years: 77 90 Fits Transmissions: TH400 Short Tail, 2004R, 700R4 with B Body tailshaft Mount For Classic B Body builders, we've designed a direct bolt in transmission crossmember to accommodate both a 2004R or TH400 short tail transmissions, as well as a 700R4 with the tailshaft transmission mount. One crossmember, both transmissions! We accommodate both by
- Fits Models: Caprice, Impala, LeSabre, Oldsmobile 88, Bonneville, Parisienne, Catalina
- Fits Years: 77-90
- Fits Transmissions: TH400 Short Tail, 2004R, 700R4 with B-Body tailshaft Mount
- For Classic B-Body builders, we've designed a direct bolt-in transmission crossmember to accommodate both a 2004R or TH400 short tail transmissions, as well as a 700R4 with the tailshaft transmission mount. One crossmember, both transmissions!
- We accommodate both by using a second set of mounting holes on the crossmember which allows you to position the crossmember in two different locations while still using the factory crossmember mounting locations.
- No drilling, cutting, grinding, or welding is required.
- When considering the popular 700R4 or 4L65E, there are two basic transmission mount locations. One version utilizes a transmission mount directly behind the transmission pan on the transmission case. With the other version the transmission mount is located further forward and bolts to the tailshaft housing. It is crucial that you properly determine which mount location your 700R4 / 4L65E utilizes. The RCB3-400 is designed to accommodate the longer tailshaft mount. If you have the shorter case mount transmission, you will need to purchase our RCB3-700 crossmember.
- We recommend a polyurethane transmission mount. The GMTM is sold separately.
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1977-1981 | Pontiac | Bonneville | |
| 1977-1990 | Chevrolet | Caprice | |
| 1977-1981 | Pontiac | Catalina | |
| 1977-1990 | Oldsmobile | Custom Cruiser | |
| 1980-1983 | Buick | Estate Wagon | |
| 1977-1985 | Chevrolet | Impala | |
| 1977-1985 | Buick | LeSabre | |
| 1983-1986 | Pontiac | Parisienne | |
| 1977-1978 | Buick | Riviera | |
| 1987-1989 | Pontiac | Safari |
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 9 reviews
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Product Reviews
★★★★★ 5
Beautiful and soft
Color: Sage Green Ribbed, Size: Twin(60"x80")
Absolutely love this blanket! It is so so soft, love the pretty color and it washes nicely. My daughter always wants to steal it from me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 5
Lovely, Soft and light blanket, perfect for spring, summer night.
Color: Pink Ribbed, Size: Throw(50"x60")
Lovely light blanket. I like it so much, I bought 2 more.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Cute, soft, and warm!
Color: Cow, Size: Throw(50"x60")
Super soft and super warm! This nice and thick blanket feels so nice when you wrap yourself up in it; and it’s just big enough to do exactly that!
I’ve washed it a few times and it comes out even softer and fluffier than when I put it in the washer; and no issues with losing fluff or thinning/tears.
I love the cow pattern too!
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Reviewed in the United States on October 25, 2025
★★★★★ 5
SOFT
Color: Red Black, Size: Twin(60"x80")
My grandson absolutely loves this blanket. It’s so soft.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Have to fight my cats for the right to use this blanket
Color: Pink White, Size: Throw(50"x60")
Super cute and comfy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
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