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Description
1969-1970 B-Body crossmember RCBE-400Fits GM B Body Models: Bel Air, Caprice, Impala, Biscayne, Le Sabre, Catalina, Bonneville, Delta 88, Starfire, Delmont, Grand Prix, Wildcat, Executive, Dynamic 88, Jetstar 88, Kingswood,? Fits Years: 69 70? Fits Transmissions: TH400 Short Tail, TH375, 2004R A new transmission mount is recommended. For the 1969 1970 B Body frames the distance between the crossmember frame mounting holes is 54". To ensure proper crossmember selection be sure to measure
- Fits GM B-Body Models: Bel-Air, Caprice, Impala, Biscayne, Le Sabre, Catalina, Bonneville, Delta 88, Starfire, Delmont, Grand Prix, Wildcat, Executive, Dynamic 88, Jetstar 88, Kingswood,?
- Fits Years: 69-70?
- Fits Transmissions: TH400 Short Tail, TH375, 2004R
- A new transmission mount is recommended.
- For the 1969-1970 B-Body frames the distance between the crossmember frame mounting holes is 54". To ensure proper crossmember selection be sure to measure your frame before you order.?
- Note: 1969 1970 B-Body must have the OEM factory 2 sets of crossmember mounting angles on each frame rail.? This application will utilize the rearward set.???
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1965-1970 | Chevrolet | Bel Air | |
| 1965-1970 | Chevrolet | Biscayne | |
| 1965-1970 | Pontiac | Bonneville | |
| 1969-1970 | Chevrolet | Brookwood | |
| 1966-1970 | Chevrolet | Caprice | |
| 1965-1970 | Pontiac | Catalina | |
| 1967-1968 | Oldsmobile | Delmont 88 | |
| 1965-1970 | Oldsmobile | Delta 88 | |
| 1965-1966 | Oldsmobile | Dynamic 88 | |
| 1970 | Buick | Estate Wagon | |
| 1967-1970 | Pontiac | Executive | |
| 1965-1970 | Pontiac | Grand Prix | |
| 1965-1970 | Chevrolet | Impala | |
| 1965-1966 | Oldsmobile | Jetstar 88 | |
| 1965 | Oldsmobile | Jetstar I | |
| 1969-1970 | Chevrolet | Kingswood | |
| 1965-1970 | Buick | LeSabre | |
| 1965-1966 | Pontiac | Star Chief | |
| 1965-1966 | Oldsmobile | Starfire | |
| 1969-1970 | Chevrolet | Townsman | |
| 1965-1970 | Buick | Wildcat |
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Exchange/Return Notes
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4.1 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
They’re fantastic!!!!
Size: X-Large, Color: Multicoloured E-(5-pack)
My clothing size is 16/18 and XL. Even though Amazon suggested a size XXL, I ordered my normal XL and they fit perfectly.
The fabric for this style is 92% bamboo viscose and is amazingly soft and almost silky feeling. I had ordered a different boy short in this brand but they were 80% bamboo viscose and the fabric was significantly heavier. I returned those and ordered these.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
this is my go to when needing new underwear.
Size: 3X-Large, Color: Black/Navy/Dark Purple/Red
Love these boyshorts for women. They're so comfortable, no crawling and breathable. I recommend for plus size women who has legs rubbing together causing irritation. Nice price as well. This is my go to when needing new underwear.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Great!
Size: Small, Color: Black/Heather Gray/White/Nude
Comfy, good fit, good quality cotton and flat seams around the crotch. Normal size small. I wouldn’t wear these with yoga pants, but nice under looser fitting garments. I would buy more colors.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
There is a seam up the front. I think perhaps it being seamless would be better.
Size: Medium, Color: Black
Like anything off Amazon I wasnt expecting anything perfect and ready to have to mail it back.
Pleasantly surprised by the softness and durability. The waist band isn't to small on a medium so it fits actually so comfy.
I wear them as underwear and as shorts for my skirts n dresses.
Id recommend but I say size up if you want a comfy fit. But down if you want a fitted fit fit. Comfy still is fitted but better feeling on if that makes sense.
Also the crotch of the shorts/undies has essentially extra fabric sewed in creating that nice comfort. Ill snag a photo when I have time.
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Reviewed in the United States on May 3, 2026
★★★★★ 4
Product varies from package to package
Size: X-Large, Color: Black/Navy/Dark Purple/Red
Over a two year period this is my 4th purchase. They started as sleep shorts and have replaced other underwear most of the time because they are comfortable and the quality is pretty good. However there are differences in between every package. The length has varied up to an inch, the material has changed, and some are slightly tighter than others. That said it works for me. I am a side sleeper and sometimes the side seam bothers me.
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Reviewed in the United States on March 9, 2026