GMC K25 Performance Flywheel and Flexplates

Your GMC K25 will be happy to know that the search for the right Performance Flywheel and Flexplates you’ve been looking for is over! Advance Auto Parts has 3 different Performance Flywheel and Flexplates for your vehicle, ready for shipping or in-store pick up. The best part is, our GMC K25 Performance Flywheel and Flexplates start from as little as $154.99.

When it comes to your GMC K25, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Performance Flywheel and Flexplates brands so you can shop with complete confidence. Some of our top Performance Flywheel and Flexplates brands are B & M and Hays. We’re sure you will get the right product to keep that K25 running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Performance Flywheel and Flexplates for your K25, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 6 GMC Performance Flywheel and Flexplates

Hays – Power Train (Part No.10-025)

Power Train

from

$148.99
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
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B & M – Flexplate, SFI 29.1 Approved, Fits 168-Tooth, 2-Piece Rear Main Seal, Chevy V8 (Part No.20230)

Flexplate, SFI 29.1 Approved, Fits 168-Tooth, 2-Piece Rear Main Seal, Chevy V8

from

$154.99
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 1955-85 GM small block (internally balanced) V8 engines along with 4.3L V6 engines. Also fits 1990 and earlier GM big block (internally balanced) V8 engines 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
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Hays – Power Train (Part No.10-530)

Power Train

from

$499.99
Hays aluminum flywheels are manufactured from certified billet material that will not break up under the stress of high RPM and severe punishment of racing. Features replaceable steel surface insert. Precision balanced to either neutral (internal) or Detroit (external) specifications. Meets SFI specification 1.1 for racing.

Product Features:
  • Certified Billet Material
  • Borg and Beck Clutch Pattern
  • Long-Style Clutch Pattern
  • Ring Gear Securely Mounted To Prevent Spinning
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B & M – Flexplate, 168 Tooth 400 CID (Part No.20232)

Flexplate, 168 Tooth 400 CID

from

$187.99
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

Hays – Flexplate: Chevy 400 (168T) (Part No.10-015)

Flexplate: Chevy 400 (168T)

from

$169.99
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

B & M – Flexplate, 153 Tooth 55-85 Shortblock Chevy (Part No.20237)

Flexplate, 153 Tooth 55-85 Shortblock Chevy

from

$158.99
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 small block Chevy V8 engines (internally balanced) with two piece rear main seal. Features include high tensile strength steel construction to resist elongation and cracking, 10.75 inch bolt pattern, 153 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

FAQs for GMC K25 Performance Flywheel and Flexplates

What are the most popular Performance Flywheel and Flexplates for the GMC K25?

With 2 brands you can trust, our most popular Performance Flywheel and Flexplates for the GMC K25 are:
Flexplate, SFI 29.1 Approved, Fits 168-Tooth, 2-Piece Rear Main Seal, Chevy V8
from $154.99
This product is not rated
Flexplate, SFI 29.1 Approved, Fits 168-Tooth, 2-Piece Rear Main Seal, Chevy V8
Performance Flywheel and Flexplates
Flexplate: Chevy 400 (168T)
from $169.99
This product is not rated
Flexplate: Chevy 400 (168T)
Performance Flywheel and Flexplates
Flexplate, 168 Tooth 400 CID
from $187.99
This product is not rated
Flexplate, 168 Tooth 400 CID
Performance Flywheel and Flexplates