1978 Pontiac Grand Lemans Performance Flywheel and Flexplates

Your 1978 Pontiac Grand Lemans might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Performance Flywheel and Flexplates you desperately need.

We currently carry 1 Performance Flywheel and Flexplates to choose from for your 1978 Pontiac Grand Lemans, and our inventory prices range from as little as $154.99.

On top of low prices, Advance Auto Parts offers 1 different trusted brands of Performance Flywheel and Flexplates for the 1978 Pontiac Grand Lemans. We only sell parts from trusted brands like B & M so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Performance Flywheel and Flexplates stock in-person!

Performance Flywheel and Flexplates for Your 1978 Pontiac Grand Lemans

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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