Hays 15-075 Steel SFI Approved Flexplate, 1967-79 Buick, 403-455
SKU: 4950717740

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

Sale price$99.87 Regular price$110.97
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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
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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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Cassie
Alexandria, US
★★★★★ 5
Nice Value
Color: Consuela the Cactus - Large, Size: Large Dog
Very cute! Its soft and feels like it is well made. It is a heavier toy and a tougher one. Not a plush toy. I will order again for our older dogs. Nice value for sure!
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Reviewed in the United States on June 11, 2026
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Blakely McAllister
San Leandro, US
★★★★★ 5
Great toy for our best boys!
Color: Consuela the Cactus - Large, Size: Large Dog
You can never go wrong with BarkBox toys and this was no exception. Our dogs like toys that have squeakers and that they can tear into. This style of toy fits the bill. The design is cute as well. I’ve had this in the house for months and, while it’s definitely seen better days, it’s still intact and they haven’t gotten to the inner layer. (Not for want of trying.) The perfect type of toy for our fur babies.
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Reviewed in the United States on February 10, 2026
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Amazon Customer
West Palm Beach, US
★★★★★ 5
Survives 7 months so far.
Color: Christmas Consuela, Size: Large Dog
It is still intact after nearly 7 months of constant play. My blue heeler normally destroys toys in just a few weeks. Consuela has exceeded expectations of survival with an extremely chewy, destruction prone dog.
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Reviewed in the United States on June 6, 2026
D
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D. Thomas
Massapequa, US
★★★★★ 4
Short-lived but much enjoyed as a chew toy
Color: Consuela the Cactus - Large, Size: Large Dog
I bought two of these for my "granddogs" in the size for Large dogs. The German Shepherd-mix stole the one intended for the border collie-mix and had both toys halfway destroyed within a day--I'm pretty sure they didn't survive much longer after that. Much enjoyed! Maybe I should've bought the Extra Large size, because the Large barely fit in her mouth and she wanted to play tug-of-war, so there wasn't much for me to grab onto. Then the border collie wanted in on the action (she's older, so she needed help tugging!) but there wasn't enough material for her to grab onto without accidentally sinking her teeth into me instead.
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Reviewed in the United States on December 9, 2025
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Ryan Davisson
Los Angeles, US
★★★★★ 5
Best dog toy!
Color: Air Head, Size: Large Dog, Color: Air Head, Size: Large Dog
I got this toy for my dog who loves squeakers not only is it a two in one it actually has three toys inside which I think is amazing!! 10/10 recommend
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Reviewed in the United States on June 11, 2026

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