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]
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SKU: 4950717740

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Reviewed in the United States on March 16, 2025
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Sunny
Belleville, US
★★★★★ 5
Well made, high quality product.
This product demonstrates excellent quality, featuring a robust construction and intuitive design for ease of use. It includes two distinct wire sizes and offers straightforward assembly. Its superior durability and strong magnetic properties ensure effortless reattachment to its stand.
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Reviewed in the United States on June 30, 2025
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Chelsea, US
★★★★★ 5
Perfect WDT tool
Best WDT I’ve found. Love that it includes 0.3mm needles (as I’ve found that 0.4mm needles push the grounds around too much), and the stand is very clever. It knocks off the residual grounds on the needles and is easy to use. As far as WDT tools go, I can’t imagine anything better.
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Reviewed in the United States on April 13, 2025
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MrEdmonds
Natrona Heights, US
★★★★★ 5
Amazing quality build
This WDT tool is solid and well-made. Definitely worth having!
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