SKU: 4950717740

Hays 15-075 Steel SFI Approved Flexplate, 1967-79 Buick, 403-455

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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:
  1. 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
SKU: 4950717740

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Tara and Jeff
Charlottesville, US
★★★★★ 3
Nice shirt but seems to be confusion over the color/pattern.
Size: Medium, Color: Teal 02
Nice shirt. Looks sharp and feels comfy. Lightweight and breathable. Definitely an "upscale" polo that looks like it costs more than it does - so very happy with the value. Fits as expected for the size. The only issue is that I ordered a color and style called Teal-02 and they sent me Navy-01. The color and pattern is different. It's not bad, just not what I ordered. I requested a resend of the Teal...and got the same Navy color again. Annoying.
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Reviewed in the United States on May 7, 2026
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T
Belleville, US
★★★★★ 5
Nice, but a bit transparent.
Size: X-Large, Color: Lake Green
I love the feel of this shirt. It is very cool and comfortable. The only thing I will add is that this shirt is a bit see-through. If I wear it, I do not feel comfortable unless I have an undershirt on.
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Reviewed in the United States on May 13, 2026
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John
Cuba, US
★★★★★ 5
Nice shirt
Size: XX-Large, Color: Black
Great look Great fit... got it in a few colors
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Reviewed in the United States on April 15, 2026
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Miguel Ángel de la cruz
Birmingham, US
★★★★★ 5
La calidad
Color: White, Size: Medium, Color: White, Size: Medium
Súper excelente 10 de 10 le doy a este producto
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Reviewed in the United States on May 13, 2026
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Amazon Customer
Boise, US
★★★★★ 5
LOOKS GOOD AND COMFY
Color: Black, Size: Medium
Liked the fit and feels comfortable.
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Reviewed in the United States on April 29, 2026

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