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Description
B&M Steel SFI Certified Flexplate - Small Block Chevrolet - 20232Overview: As performance levels increase, an O. E. style flexplate just won't cut it and a stronger option is a necessity to prevent transmission and or converter failure. B&M has you covered with our high performance flexplate designed for 1955 1985 400ci small block chevy V8 engines (externally balanced) with two piece rear main seal. Features include high tensile strength steel construction to resist elongation and cracking, dual bolt pattern 10.
Overview:
As performance levels increase, an O.E. style flexplate just won't cut it and a stronger option is a necessity to prevent transmission and/or converter failure. B&M has you covered with our high performance flexplate designed for 1955-1985 400ci small block chevy V8 engines (externally balanced) with two piece rear main seal. Features include high tensile strength steel construction to resist elongation and cracking, dual bolt pattern 10.75 or 11.5-inch converter mounting locations, 168 tooth ring gear with double-sided welds for added strength and comes with SFI 29.1 safety certification insuring the ultimate in safety and performance. The assembly is then Zinc plated and treated with a Chromate Conversion Coating for added corrosion resistance and durability. B&M SFI approved flexplates are ideal for extreme duty race applications as well as street cars, tow vehicles or other vehicles needing the added protection and toughness that B&M has been delivering since 1953. Compatible with Powerglide, TH350, TH400 and TH700R4 automatic transmissions.
Features:
- NHRA and IHRA Legal For All Classes
- Dual Pattern 10.75 and 11.5-Inch
- Includes SFI Certification Sticker
- Ideal For Street Applications
- Zinc Plated Chromate Finish
- To Extreme Duty Racing
- Proven B&M Quality
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1978 | Pontiac | Grand Safari | ||
| 1970 - 1972 | Chevrolet | Brookwood | 400/6.6 V8 | |
| 1970 - 1974 | Chevrolet | Caprice | 400/6.6 V8 | |
| 1970 - 1972 | Chevrolet | Chevelle | Base | 400/6.6 V8 |
| 1971 - 1972 | Chevrolet | Chevelle | SS | 400/6.6 V8 |
| 1976 | Chevrolet | G20 | Chevy Van | 400/6.6 V8 |
| 1976 | Chevrolet | G20 | Sportvan | 400/6.6 V8 |
| 1975 - 1980 | Chevrolet | G20 | 400/6.6 V8 | |
| 1970 - 1972 | Chevrolet | Townsman | 400/6.6 V8 | |
| 1971 - 1976 | GMC | Sprint | 400/6.6 V8 | |
| 1965 - 1969 | Oldsmobile | 442 | 400/6.6 V8 | |
| 1967 | Oldsmobile | Cutlass | Turnpike Cruiser | 400/6.6 V8 |
| 1968 | Oldsmobile | Cutlass | Base | 400/6.6 V8 |
| 1965 - 1966 | Oldsmobile | F85 | Base | 400/6.6 V8 |
| 1968 - 1969 | Oldsmobile | Vista Cruiser | 400/6.6 V8 | |
| 1968 - 1978 | Pontiac | Bonneville | 400/6.6 V8 | |
| 1968 - 1978 | Pontiac | Catalina | 400/6.6 V8 | |
| 1968 - 1977 | Pontiac | Firebird | Base | 400/6.6 V8 |
| 1968 - 1969 | Pontiac | Firebird | 400 | 400/6.6 V8 |
| 1969 - 1979 | Pontiac | Firebird | Trans Am | 400/6.6 V8 |
| 1970 - 1974 | Pontiac | Firebird | 400/6.6 V8 | |
| 1973 - 1975 | Pontiac | Grand Am | 400/6.6 V8 | |
| 1968 - 1975 | Pontiac | Grand Prix | 400/6.6 V8 | |
| 1972 | Chevrolet | Chevelle | Concours | 400/6.6 V8 |
| 1972 | Chevrolet | Chevelle | Malibu | 400/6.6 V8 |
| 1972 | Chevrolet | Chevelle | Nomad | 400/6.6 V8 |
| 1970 - 1975 | Chevrolet | El Camino | Base | 400/6.6 V8 |
| 1970 | Chevrolet | El Camino | Custom | 400/6.6 V8 |
| 1970 - 1975 | Chevrolet | El Camino | SS | 400/6.6 V8 |
| 1971 - 1976 | Chevrolet | El Camino | 400/6.6 V8 | |
| 1970 - 1976 | Chevrolet | Impala | 400/6.6 V8 | |
| 1970 - 1971 | Chevrolet | Kingswood | Base | 400/6.6 V8 |
| 1972 | Chevrolet | Kingswood | 400/6.6 V8 | |
| 1973 - 1975 | Chevrolet | Malibu | Base | 400/6.6 V8 |
| 1970 - 1976 | Chevrolet | Monte Carlo | 400/6.6 V8 | |
| 1973 | Chevrolet | Monte Carlo | Base | 400/6.6 V8 |
| 1979 - 1980 | GMC | K2500 | 400/6.6 V8 | |
| 1975 - 1978 | GMC | K25 Suburban | 400/6.6 V8 | |
| 1979 - 1980 | GMC | K2500 Suburban | 400/6.6 V8 | |
| 1977 - 1978 | GMC | K35 | 400/6.6 V8 | |
| 1979 - 1980 | GMC | K3500 | 400/6.6 V8 | |
| 1975 | Oldsmobile | 98 | 400/6.6 V8 | |
| 1975 | Oldsmobile | Custom Cruiser | 400/6.6 V8 | |
| 1975 | Oldsmobile | Delta 88 | 400/6.6 V8 | |
| 1976 | Pontiac | Catalina | Base | 400/6.6 V8 |
| 1976 | Pontiac | Catalina | Safari | 400/6.6 V8 |
| 1976 | Pontiac | Firebird | Esprit | 400/6.6 V8 |
| 1976 - 1979 | Pontiac | Firebird | Formula | 400/6.6 V8 |
| 1975 - 1977 | Pontiac | Grand LeMans | Safari | 400/6.6 V8 |
| 1976 - 1977 | Pontiac | Grand LeMans | Base | 400/6.6 V8 |
| 1976 - 1977 | Pontiac | Grand Prix | Base | 400/6.6 V8 |
| 1976 - 1977 | Pontiac | Grand Prix | SJ | 400/6.6 V8 |
| 1979 - 1980 | GMC | G3500 | 400/6.6 V8 | |
| 1975 - 1979 | GMC | Jimmy | 400/6.6 V8 | |
| 1975 - 1978 | GMC | K15 | 400/6.6 V8 | |
| 1979 - 1980 | GMC | K1500 | 400/6.6 V8 | |
| 1975 - 1978 | GMC | K15 Suburban | 400/6.6 V8 | |
| 1979 - 1980 | GMC | K1500 Suburban | 400/6.6 V8 | |
| 1975 - 1978 | GMC | K25 | 400/6.6 V8 | |
| 1978 | GMC | C15 | High Sierra | 400/6.6 V8 |
| 1978 | GMC | C15 | Sierra Classic | 400/6.6 V8 |
| 1978 | GMC | C15 | Sierra Grande | 400/6.6 V8 |
| 1978 | GMC | C15 | Street Coupe | 400/6.6 V8 |
| 1979 | GMC | C1500 | Base | 400/6.6 V8 |
| 1979 | GMC | C1500 | High Sierra | 400/6.6 V8 |
| 1979 | GMC | C1500 | Sierra Classic | 400/6.6 V8 |
| 1979 | GMC | C1500 | Sierra Grande | 400/6.6 V8 |
| 1979 | GMC | C1500 | Street Coupe | 400/6.6 V8 |
| 1980 | GMC | C1500 | 400/6.6 V8 | |
| 1976 - 1978 | GMC | C25 | 400/6.6 V8 | |
| 1979 | GMC | C2500 | 400/6.6 V8 | |
| 1978 | GMC | C25 Suburban | 400/6.6 V8 | |
| 1980 | GMC | C2500 Suburban | 400/6.6 V8 | |
| 1976 - 1978 | GMC | C35 | 400/6.6 V8 | |
| 1979 | GMC | C3500 | 400/6.6 V8 | |
| 1976 | GMC | G15 | Vandura | 400/6.6 V8 |
| 1979 | GMC | G1500 | Rally | 400/6.6 V8 |
| 1979 | GMC | G1500 | Rally STX | 400/6.6 V8 |
| 1975 - 1978 | GMC | G25 | 400/6.6 V8 | |
| 1979 - 1980 | GMC | G2500 | 400/6.6 V8 | |
| 1975 | GMC | G35 | Rally | 400/6.6 V8 |
| 1975 | GMC | G35 | Rally STX | 400/6.6 V8 |
| 1975 | GMC | G35 | Vandura | 400/6.6 V8 |
| 1975 | GMC | G35 | Rally Camper Special | 400/6.6 V8 |
| 1975 | GMC | G35 | Vandura Special | 400/6.6 V8 |
| 1976 - 1978 | GMC | G35 | 400/6.6 V8 | |
| 1975 - 1976 | Chevrolet | G30 | Sportvan | 400/6.6 V8 |
| 1975 - 1976 | Chevrolet | G30 | Hi-Cube | 400/6.6 V8 |
| 1977 - 1980 | Chevrolet | G30 | 400/6.6 V8 | |
| 1975 - 1980 | Chevrolet | K10 | 400/6.6 V8 | |
| 1975 - 1979 | Chevrolet | K10 Suburban | 400/6.6 V8 | |
| 1975 - 1980 | Chevrolet | K20 | 400/6.6 V8 | |
| 1975 - 1980 | Chevrolet | K20 Suburban | 400/6.6 V8 | |
| 1977 - 1980 | Chevrolet | K30 | 400/6.6 V8 | |
| 1975 - 1976 | Chevrolet | Laguna | 400/6.6 V8 | |
| 1975 | Chevrolet | Malibu | Classic | 400/6.6 V8 |
| 1975 | Chevrolet | Malibu | Classic Estate | 400/6.6 V8 |
| 1976 | Chevrolet | Malibu | 400/6.6 V8 | |
| 1977 | Chevrolet | P10 | 400/6.6 V8 | |
| 1976 | Chevrolet | P30 | 400/6.6 V8 | |
| 1976 | GMC | C15 | 400/6.6 V8 | |
| 1978 | GMC | C15 | Base | 400/6.6 V8 |
| 1972 - 1975 | Pontiac | Grandville | 400/6.6 V8 | |
| 1968 - 1973 | Pontiac | GTO | 400/6.6 V8 | |
| 1971 | Pontiac | GTO | Base | 400/6.6 V8 |
| 1968 - 1970 | Pontiac | LeMans | 400/6.6 V8 | |
| 1971 - 1977 | Pontiac | LeMans | Base | 400/6.6 V8 |
| 1971 - 1977 | Pontiac | LeMans | Sport | 400/6.6 V8 |
| 1975 | Buick | LeSabre | Custom | 400/6.6 V8 |
| 1970 - 1975 | Chevrolet | Bel Air | 400/6.6 V8 | |
| 1975 - 1979 | Chevrolet | K5 Blazer | 400/6.6 V8 | |
| 1976 - 1980 | Chevrolet | C10 | 400/6.6 V8 | |
| 1978 - 1979 | Chevrolet | C10 | Cheyenne | 400/6.6 V8 |
| 1978 - 1979 | Chevrolet | C10 | Custom Deluxe | 400/6.6 V8 |
| 1978 - 1979 | Chevrolet | C10 | Scottsdale | 400/6.6 V8 |
| 1978 - 1979 | Chevrolet | C10 | Silverado | 400/6.6 V8 |
| 1976 - 1980 | Chevrolet | C20 | 400/6.6 V8 | |
| 1976 - 1980 | Chevrolet | C20 Suburban | 400/6.6 V8 | |
| 1976 - 1978 | Chevrolet | C30 | 400/6.6 V8 | |
| 1975 - 1976 | Chevrolet | Caprice | Classic | 400/6.6 V8 |
| 1975 | Chevrolet | Caprice | Estate Wagon | 400/6.6 V8 |
| 1975 - 1976 | Chevrolet | Caprice | Classic Sport | 400/6.6 V8 |
| 1976 | Chevrolet | Caprice | Classic Estate | 400/6.6 V8 |
| 1976 | Chevrolet | Caprice | Classic Landau | 400/6.6 V8 |
| 1975 | Chevrolet | El Camino | Classic | 400/6.6 V8 |
| 1976 | Chevrolet | G10 | 400/6.6 V8 | |
| 1976 | Chevrolet | G20 | Beauville | 400/6.6 V8 |
| 1970 - 1972 | Chevrolet | Biscayne | 400/6.6 V8 | |
| 1973 - 1977 | Pontiac | LeMans | Safari | 400/6.6 V8 |
| 1967 | Buick | Gran Sport | 400/6.6 V8 | |
| 1967 | Buick | Skylark | 400/6.6 V8 | |
| 1975 - 1976 | Chevrolet | G30 | Beauville | 400/6.6 V8 |
| 1975 - 1976 | Chevrolet | G30 | Chevy Van | 400/6.6 V8 |
| 1977 | Pontiac | Grand Prix | LJ | 400/6.6 V8 |
| 1975 - 1977 | Pontiac | Grand Safari | 400/6.6 V8 | |
| 1968 | Buick | Sportwagon | 400/6.6 V8 | |
| 1968 - 1970 | Pontiac | Executive | 400/6.6 V8 | |
| 1968 - 1969 | Pontiac | Tempest | 400/6.6 V8 | |
| 1969 | Buick | Sportwagon | Base | 400/6.6 V8 |
| 1970 | Pontiac | Tempest | Base | 400/6.6 V8 |
| 1966 | Buick | Gran Sport | 401/6.6 V8 | |
| 1966 | Buick | Skylark | 401/6.6 V8 | |
| 1970 - 1971 | Chevrolet | Brookwood | 402/6.6 V8 | |
| 1972 | Chevrolet | Chevelle | Base | 402/6.6 V8 |
| 1972 | Chevrolet | Chevelle | Concours | 402/6.6 V8 |
| 1972 | Chevrolet | Chevelle | SS | 402/6.6 V8 |
| 1972 | Chevrolet | Chevelle | Malibu | 402/6.6 V8 |
| 1972 | Chevrolet | Chevelle | Nomad | 402/6.6 V8 |
| 1972 | Chevrolet | Chevelle | Concours Estate | 402/6.6 V8 |
| 1972 | Chevrolet | Chevelle | Greenbrier | 402/6.6 V8 |
| 1977 - 1978 | Pontiac | Bonneville | 403/6.6 V8 | |
| 1977 - 1978 | Pontiac | Catalina | 403/6.6 V8 | |
| 1977 | Pontiac | Firebird | Base | 403/6.6 V8 |
| 1977 - 1979 | Pontiac | Firebird | Formula | 403/6.6 V8 |
| 1977 - 1979 | Pontiac | Firebird | Trans Am | 403/6.6 V8 |
| 1977 | Pontiac | Grand LeMans | Base | 403/6.6 V8 |
| 1977 | Pontiac | Grand LeMans | Safari | 403/6.6 V8 |
| 1977 | Pontiac | LeMans | Base | 403/6.6 V8 |
| 1977 | Pontiac | LeMans | Sport | 403/6.6 V8 |
| 1977 | Pontiac | LeMans | Safari | 403/6.6 V8 |
| 1977 | Pontiac | Grand Prix | Base | 403/6.6 V8 |
| 1977 | Pontiac | Grand Prix | SJ | 403/6.6 V8 |
| 1977 | Pontiac | Grand Prix | LJ | 403/6.6 V8 |
| 1977 | Pontiac | Grand Safari | 403/6.6 V8 |
Specs:
| # of Teeth | 168 |
|---|---|
| Balance | External |
| Brand | B&M |
| California Proposition 65 Chemical Name | Cadmium and cadmium compounds |
| California Proposition 65 Required | Yes |
| Crankshift Bolt Hole Count | 6 |
| Dual Pattern | No |
| Emission Code | 5 |
| IHRA Legal | Yes |
| NHRA Legal | Yes |
| Outside Diameter (in) | 14.1 |
| Product Type | Automatic Transmission Flexplate |
| SFI Approved | Yes |
| SFI Certification | 29.1 |
| SFI Certification Sticker | Included |
| Warning | California Proposition 65 |
| Weight (lb) | 6.25 |
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
4.6 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
BEST PILLOWS EVER!!!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I am very picky with my pillows because I have a bad neck and I can never seem to find a good pillow. But I tried this pillow because it had everything I was looking for and the price was great! You get two of them and they are absolutely awesome.! normally I would need to lay on two pillows to try and get comfortable but with these pillows I just lay on one and I wake up with no neck pain. They really have a nice cooling effect. They actually puff up immediately after opening them. All you have to do is just shake them up and the pillow just puffs straight up.. It comes with extra cushioning if you want it to make it firmer and if you don’t want it as firm as it is, you can actually take some out. It really is such a beautiful pillow. It’s perfect in every way to me being such a picky pillow person.
You just lay your head down on it and it forms around your neck and your head and when you get up, it goes right back to its normal form. It doesn’t get flat and I love it. I completely recommend this to anyone who is a person who has a hard time finding a really good pillow.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Top of the line, best pillows Ive ever had
Color: White-cooling Basic, Size: Queen(Pack of 2)
These pillows are top of the line! I bought them in 2024 and they are still fluffy. When they lose a little fluff, you just punch em around a little bit and voila, like new again. They have kept their shape cery well and do great for cooling. I haven't had to add more filling yet either. I just laid my head on one and thought, I need to do a review cause everytime i lay on these pillows its like clouds. My head is heavy and this is relief :-D
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Reviewed in the United States on May 21, 2026
★★★★★ 3
Weird smell
Color: White-cooling Basic, Size: Queen(Pack of 2)
The pillows are great for someone looking for something cool and comfortable. We loved them so much that we bought a second pair. However, we were seriously disappointed with the odor of our last purchase. They give off a strong and indescribable chemical/burning plastic smell so nauseating that it’s difficult to sleep with. We’re hoping this issue will resolve with a couple more washes of the pillow cases, but am worried the source is the stuffing itself.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
helped treat my sore neck
Color: White-cooling Basic, Size: Camping Pillow(Pack of 1)
This pillow — after dialing in the right amount of shredded foam — has greatly helped my sore neck. Initially, I had to remove some foam. Then I gradually added foam until it reached optimum comfort and support.
It is also CPAP-friendly — especially when I position my head near the pillow's edge. (I am a left-side sleeper.)
I like the travel size because I use a bulky hugging pillow to ease stress on my shoulder and elbow. That makes my side of the bed feel cramped if using a larger head pillow. A smaller pillow is easy to flip end-to-end in the middle of the night.
I have spent lots of money on pillows over the years, but this is the best I've ever had for relieving [1] neck pain and [2] CPAP mask seal problems. Very comfortable, supportive, and affordable.
I did not notice any unpleasant smell — and I am usually sensitive to that kind of thing.
Would highly recommend.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Love them!
Color: White-cooling Basic, Size: Queen(Pack of 2)
Love them! After 10 years with our MyPillows, they finally lost their fluff. The reviews I read of the MyPillows of today were not good; they didn’t have as much filling as they used to. These pillows remind me of how fluffy our new MyPillows were 10 years ago!! You sink right into them and can mush them however and they stay. These are way cheaper than the Coop and it’s the same concept; add or remove the filling as needed. The cooling side is a huge plus too! You won’t be disappointed with these pillows!
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Reviewed in the United States on May 22, 2026