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Description
Hays 15-075 Steel SFI Approved Flexplate, 1967-79 Buick, 403-455Overview: Hays heavy duty flexplates for high performance and competition engines are constructed of a thicker than stock steel plate, enabling them to withstand the stress of high stall torque converters and today's high RPM engines. While factory stock plates tend to crack around the crankshaft hub when punished under high torque and RPM conditions, the thicker Hays Flexplate handles the force. These H. D. flexplates are supplied with a ring gear
Overview:
Hays heavy-duty flexplates for high performance and competition engines are constructed of a thicker than stock steel plate, enabling them to withstand the stress of high-stall torque converters and today's high-RPM engines. While factory stock plates tend to crack around the crankshaft hub when punished under high torque and RPM conditions, the thicker Hays Flexplate handles the force. These H.D. flexplates are supplied with a ring gear that is securely welded in place and feature dual bolt patterns for flexibility in adapting to multiple transmission style torque converters. All Hays heavy-duty flexplates are zinc-dichromate plated to resist corrosion and are SFI certified under specification 29.1.
Features:
- All applications for flexplates are SFI 29.1 Certified
- Fits TH350 and TH400
- Flexplate features Zinc Dichromate Plated finish for superior corrosion resistance and good looks
- Heavy Duty design utilized thicker than stock steel plate enabling to withstand the stress of high-stall converters and high-RPM engines
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1968 - 1969 | Buick | Electra | 225 Custom | 430/7.0L V8 |
| 1968 - 1969 | Buick | Electra | 225 | 430/7.0L V8 |
| 1973 - 1974 | Buick | Century | Luxus | 455/7.5L V8 |
| 1970 - 1973 | Buick | LeSabre | Custom | 455/7.5L V8 |
| 1970 - 1974 | Buick | LeSabre | Base | 455/7.5L V8 |
| 1974 | Buick | LeSabre | Luxus | 455/7.5L V8 |
| 1970 - 1974 | Buick | Electra | 225 Custom | 455/7.5L V8 |
| 1973 - 1974 | Buick | Century | Base | 455/7.5L V8 |
| 1970 - 1974 | Buick | Riviera | Base | 455/7.5L V8 |
| 1970 - 1974 | Buick | Electra | 225 | 455/7.5L V8 |
| 1967 | Buick | Electra | Base | 430/7.0L V8 |
| 1970 - 1971 | Buick | Skylark | Base | 455/7.5L V8 |
| 1967 - 1968 | Buick | Skylark | Base | 400/6.6L V8 |
| 1973 - 1974 | Buick | Regal | Base | 455/7.5L V8 |
| 1970 - 1974 | Buick | Estate Wagon | Base | 455/7.5L V8 |
| 1967 - 1969 | Buick | Riviera | Base | 430/7.0L V8 |
| 1971 - 1973 | Buick | Centurion | Base | 455/7.5L V8 |
| 1970 - 1971 | Buick | Skylark | Custom | 455/7.5L V8 |
| 1970 - 1972 | Buick | GS 455 | Base | 455/7.5L V8 |
| 1970 | Buick | Sportwagon | Base | 455/7.5L V8 |
| 1967 - 1969 | Buick | Wildcat | Custom | 430/7.0L V8 |
| 1967 - 1969 | Buick | Wildcat | Base | 430/7.0L V8 |
| 1968 - 1969 | Buick | Sportwagon | Custom | 400/6.6L V8 |
| 1973 | Buick | Electra | Base | 455/7.5L V8 |
| 1968 | Buick | Skylark | Custom | 400/6.6L V8 |
| 1974 | Buick | Electra | 225 Limited | 455/7.5L V8 |
| 1968 - 1969 | Buick | Sportwagon | Base | 400/6.6L V8 |
| 1967 | Buick | Gran Sport | Base | 400/6.6L V8 |
| 1968 - 1969 | Buick | GS 400 | Base | 400/6.6L V8 |
| 1970 | Buick | Wildcat | Custom | 455/7.5L V8 |
| 1967 | Buick | Electra | Custom | 430/7.0L V8 |
| 1967 | Buick | Gran Sport | Base | / |
| 1970 | Buick | GS 455 | GSX | 455/7.5L V8 |
| 1971 | Buick | Riviera | Gran Sport | 455/7.5L V8 |
Specs:
| # of Teeth | 166 |
|---|---|
| Application | Buick |
| Brand | Hays |
| Center Bore (Register Diameter) | 2.486" |
| Emission Code | 5 |
| Engine Balance | External |
| Material | Steel |
| Product Type | Flexplates |
| SFI Approved | Yes |
| SFI Certification | 29.1 |
| Warranty | 90 Day |
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
4.8 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Very Modern Handsome Suit
Color: Grey, Size: 7 Years, Color: Grey, Size: 7 Years
This is an incredibly sharp looking suit for the little guy. Great price and features, too. I made a mistake in sizing up instead of down and first one was too sloppy on him and would need alterations. He is thin and very thin in the waist. There is a lot of adjustment with buttons in waistband and coat hides the bunching. This shirt and coat will easily take a fuller body than slim I believe. He loves posing in it and feels very classy. Best purchase for a formal suit that will last longer than most kids clothes size wise. Felt bad about returning but careful folding and packing got it good as new.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Quality
Color: Black, Size: 7 Years, Color: Black, Size: 7 Years
Excellent quality, My son looks incredible
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Reviewed in the United States on June 5, 2026
★★★★★ 4
Sharp Looking Kids Suit With One Missing Piece
Color: Navy, Size: 7 Years, Color: Navy, Size: 7 Years
I ordered this suit for my 6yo son in a size 7 so he would have a little room to grow and get more wear out of it, and sizing is perfect. He did not need it for any specific occasion, he just wanted a suit because apparently kindergarteners sometimes wake up and decide they are businessmen now.
Let me start with the positives because there are a lot of them. This is a very well made suit. The jacket, pants, and dress shirt are all surprisingly nice quality. The fabric does not feel cheap or flimsy at all. The jacket has good structure, the buttons are well attached, the seams are clean, and all the little details like the collar and pockets look great. It honestly looks like a proper little formal suit.
The pants are nicely made as well and pair perfectly with the jacket. The white dress shirt underneath is also good quality and completes the whole look. Overall, it is a really sharp outfit and would absolutely work for special occasions like weddings, recitals, formal events, church, or family photos.
Now for the reason I am deducting one star. The listing specifically shows and mentions that this set includes a bow tie. That was actually the main reason I chose this particular suit over others. Some options only had a standard tie or no tie at all, but my son specifically wanted a bow tie.
Unfortunately, the bow tie was not included with mine.
That was definitely disappointing because it was one of the main selling points for me when choosing this set. Now I have to go find a separate bow tie that matches, which I was hoping to avoid.
That said, I do want to be clear that this issue does not take away from the actual quality of the suit itself. The suit is genuinely very well made and looks fantastic on him. If your child needs a suit for a wedding, formal event, recital, or something similar, this would absolutely work.
My son mostly just wanted a suit because he thinks it is cool, so now he has one and can show up to school looking like the smallest CEO in kindergarten.
Overall, this is a very nice quality suit set. I just wish the bow tie that was advertised had actually been included.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Good for the price
Color: Black, Size: 10 Years
Great suit for the price and it includes the shirt which It was a great surprise
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Reviewed in the United States on May 27, 2026
★★★★★ 5
One size smaller is perfect!
Color: Navy, Size: 10 Years
This suit fit perfect but I did order one size smaller than my grandson normally wears. It is very well made and he can't wait to wear it in the wedding.
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Reviewed in the United States on March 19, 2026