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.
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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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Amazon Customermelissa
Louisville, US
★★★★★ 5
Nice cap
Size: One Size, Color: (015) Halo Gray / / Astro Pink
Nice cap. Made well with good material. It’s shaped well & fits perfectly. I chose the lite gray & I like the color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
M
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M.H.
Bozeman, US
★★★★★ 5
Great Cap.
Size: One Size, Color: (647) Prime Pink / / White
Fits well.
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Reviewed in the United States on February 26, 2026
M
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msnnyl
Chelsea, US
★★★★★ 4
Nice adjustable strap
Size: One Size, Color: (015) Halo Gray / / Astro Pink
Okay cap with adjustable strap and lightweight material. Doesn’t hold its shape well. But otherwise it’s a okay cap to throw on for sun protection .
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Reviewed in the United States on May 16, 2026
M
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Marvin Gomez
Lake Worth, US
★★★★★ 5
Great
Size: One Size, Color: (015) Halo Gray / / Astro Pink
Product is as described, love the material and it’s true to size. The shape is very nice and the material is sun protective which is good to control sweating in your head.
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Reviewed in the United States on April 17, 2026
N
Verified Purchase
Natalia
Alexandria, US
★★★★★ 5
Muy buena
Size: One Size, Color: (100) White / / Halo Gray
Muy cómoda y la calidad increíble
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Reviewed in the United States on May 24, 2026

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