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Product Summary

TH350, 12.75" Outside Diameter, 153 Tooth Count, Steel

  • 153 tooth flexplate for internally balanced 350 Chevy engines
  • Requires balancing plate when used on a 383, 400 and 454
  • This piece features a 2 1/2" I.D. center hole
  • Flywheel measures 0.342" from the engine side of the ring gear to the crank face
  • Has a natural steel finish

Key Specs

MFG. Part #91048359
Tooth Count153
Engine BalanceInternal
SFI Rating29.1
Rear Main Seal Style2-piece

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Speedway Motors 91048359 Details

  • SFI rated 153 tooth flex plate for internally balanced Chevy 350 engines
  • Requires balancing plate for use on 383, 400 and 454.
  • Has 2 1/2" I.D. center hole.
  • Designed to fit standard OEM, aftermarket replacement, and high performance torque converters
  • SFI 29.1 certified
  • Forged one-piece steel ring gears
  • 0.035 in. thicker than stock flexplates
  • Constructed from cold-rolled chromoly steel
  • Long lasting zinc plated finish

Make sure you choose the correct flywheel for your application by reading our tech article. Small Block Chevy - How to Choose a Flexplate

 

Speedway Motors 91048359 Specifications

KEY SPECS
MFG. Part #91048359
BrandSpeedway Motors
Tooth Count153
Engine BalanceInternal
SFI Rating29.1
Rear Main Seal Style2-piece
Material TypeSteel
GENERAL
Outside Diameter12.75"
Hole Diameter2.50"
FinishNatural
Sold in QuantityEach
NotesFor internally balanced Chevy 350, requires balancing plate for 383, 400, 454. Measures 0.342" from the engine side of the ring gear to the crank face.