1966 Buick Gran Sport Flywheels

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1966 Buick Gran Sport in Top Shape with Quality Flywheels

Whether you’re repairing or upgrading your Flywheel, using high-quality parts is key to keeping your 1966 Buick Gran Sport looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Flywheels and Flexplates and Flywheel Shims. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1966 Buick Gran Sport Flywheel at Advance Auto Parts is around $93.99, with a range that starts at $29.99 and goes up to $219.99. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Flywheel Shim, Flywheel Shim, and Flexplate, 168 Tooth 400 CID start at just $29.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Flywheel, don’t forget to check out other key components like Clutch Discs and Clutch Kits. At Advance Auto Parts, we’re here to help you keep your 1966 Buick Gran Sport in peak condition, inside and out.

Essential 1966 Buick Gran Sport Flywheels

B & M – Flexplate, 168 Tooth 400 CID (Part No.20232)

Flexplate, 168 Tooth 400 CID

from

$219.99
As performance levels increase, an O.E. style flexplate just won’t cut it and a stronger option is a necessity to prevent transmission and/or converter failure. B&M has you covered with our high performance flexplate designed for 1955 to 1985 400ci small block Chevy V8 engines (externally balanced) with two piece rear main seal. Features include high tensile strength steel construction to resist elongation and cracking, dual bolt pattern 10.75 or 11.5 inch converter mounting locations, 168 tooth ring gear with double-sided welds for added strength and comes with SFI 29.1 safety certification insuring the ultimate in safety and performance. The assembly is then Zinc plated and treated with a Chromate Conversion Coating for added corrosion resistance and durability. B&M SFI approved flexplates are ideal for extreme duty race applications as well as street cars, tow vehicles or other vehicles needing the added protection and toughness that B&M has been delivering since 1953. Compatible with Powerglide, TH350, TH400 and TH700R4 automatic transmissions.

Product Features:
  • NHRA/IHRA Legal For All Classes
  • Includes SFI Certification Sticker
  • Ideal For Street Applications
  • To Extreme Duty Racing
  • To High RPM Use
See More

ATP – Automatic Transmission Flex Plate (Part No.Z-118)

Automatic Transmission Flex Plate

from

$60.99
Vehicles with automatic transmissions have a flex plate. The flex plates connects the engine and transmission. Most flex plates are made of a thick piece of sheet metal with bolt holes for the torque converter and teeth for the starter. The job of a flex plate is to allow for expansion of the torque converter as engine RPM increases. The constant expansion and contraction of a flex plate over time can result cracks and/or shearing of the flex plate. A damaged flex plate can create serious (expensive) damage. Broken flex plates can not be repaired, they must be replaced. ATP flex plates are made of high quality steel and contain the correct bolt hole spacing and ring gear teeth just like the original part to ensure long life and durability

Product Features:
  • Balanced to factory specs
  • Fit and function like the original parts
  • Restores normal operation
See More

Hays – Flexplate: Chevy 57-85 (153T) (Part No.10-012)

Flexplate: Chevy 57-85 (153T)

from

$170.99
Constructed of thicker than stock steel plate to withstand the stress of high stall speed converters and high RPM engine. Zinc dichromate plated to resist rust and corrosion. Meets SFI specification 29.1 for racing.

Product Features:
  • Thicker Than Stock Steel Plate
  • Ring Gear Securely Welded
  • Dual Bolt Patterns
  • Zinc-Dichromate Plated To Resist Corrosion
  • Withstands High Torque and RPM
See More

ATP – Flywheel Shim (Part No.GS-3)

Flywheel Shim

from

$31.99
ATP Flywheel Shims install easily restoring machined manual transmission flywheels back to the proper height. On automatic transmissions the shim takes up excessive clearance caused by engine crankshaft endplay or by installing a rebuilt torque converter or rebuilt front pump.
See More

ATP – Flywheel Shim (Part No.GS-8)

Flywheel Shim

from

$29.99
ATP Flywheel Shims install easily restoring machined manual transmission flywheels back to the proper height. On automatic transmissions the shim takes up excessive clearance caused by engine crankshaft endplay or by installing a rebuilt torque converter or rebuilt front pump.
See More

Most Popular Flywheels and Flexplate for 1966 Buick Gran Sports

Enhance your 1966 Buick Gran Sport with this popular Flywheels and Flexplate we have in stock, for $219.99.

B & M – Flexplate, 168 Tooth 400 CID (Part No.20232)

Flexplate, 168 Tooth 400 CID

from

$219.99
As performance levels increase, an O.E. style flexplate just won’t cut it and a stronger option is a necessity to prevent transmission and/or converter failure. B&M has you covered with our high performance flexplate designed for 1955 to 1985 400ci small block Chevy V8 engines (externally balanced) with two piece rear main seal. Features include high tensile strength steel construction to resist elongation and cracking, dual bolt pattern 10.75 or 11.5 inch converter mounting locations, 168 tooth ring gear with double-sided welds for added strength and comes with SFI 29.1 safety certification insuring the ultimate in safety and performance. The assembly is then Zinc plated and treated with a Chromate Conversion Coating for added corrosion resistance and durability. B&M SFI approved flexplates are ideal for extreme duty race applications as well as street cars, tow vehicles or other vehicles needing the added protection and toughness that B&M has been delivering since 1953. Compatible with Powerglide, TH350, TH400 and TH700R4 automatic transmissions.

Product Features:
  • NHRA/IHRA Legal For All Classes
  • Includes SFI Certification Sticker
  • Ideal For Street Applications
  • To Extreme Duty Racing
  • To High RPM Use
See More

Best-Selling 1966 Buick Gran Sport Flywheel Shims

Upgrade your Gran Sport with one of our 2 best-selling Flywheel Shims.

ATP – Flywheel Shim (Part No.GS-8)

Flywheel Shim

from

$29.99
ATP Flywheel Shims install easily restoring machined manual transmission flywheels back to the proper height. On automatic transmissions the shim takes up excessive clearance caused by engine crankshaft endplay or by installing a rebuilt torque converter or rebuilt front pump.
See More

ATP – Flywheel Shim (Part No.GS-3)

Flywheel Shim

from

$31.99
ATP Flywheel Shims install easily restoring machined manual transmission flywheels back to the proper height. On automatic transmissions the shim takes up excessive clearance caused by engine crankshaft endplay or by installing a rebuilt torque converter or rebuilt front pump.
See More

FAQs for 1966 Buick Gran Sport Flywheels

What are the best-selling Flywheels for 1966 Buick Gran Sports?

Out of 3 Flywheels that fit 1966 Buick Gran Sports, the following parts are the top sellers:

What’s the price range for 1966 Buick Gran Sport Flywheels?

The prices of Flywheels for the 1966 Buick Gran Sport range from $29.99 up to $219.99 for the most premium parts.

What is the average price of a Flywheel for a 1966 Buick Gran Sport?

The average price for Flywheels for the 1966 Buick Gran Sport is $93.99. Keep in mind the variety of part types within our Flywheel category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Flywheels for my 1966 Buick Gran Sport?

The cheapest 1966 Buick Gran Sport Flywheels we carry are:

Does Advance Auto Parts sell Flywheels for any other 1966 Buick models?

Yes. We stock Flywheels for 6 other popular 1966 Buick models. Some of the most popular are 1966 LeSabre Flywheels, 1966 Skylark Flywheels, 1966 Riviera Flywheels, 1966 Electra Flywheels, and 1966 Special Flywheels.

What types of Flywheels do you sell for my 1966 Buick Gran Sport?

As of 6/2/26, these are some of the most in-demand types of Flywheels for a 1966 Buick Gran Sport:

Can I get help with 1966 Buick Gran Sport Flywheel orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Flywheels and more.

What is your return policy for Buick Gran Sport Flywheels?

Advance Auto Parts keeps returns simple. For new Buick Gran Sport Flywheels and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.