SFI Chevy 350 Flexplate, 153 Tooth, 2-Piece Rear Main
SFI Chevy 350 Flexplate, 153 Tooth, 2-Piece Rear Main
Speedway Motors

|

#91048359

SFI Chevy 350 Flexplate, 153 Tooth, 2-Piece Rear Main

  • 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
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$112.99

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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
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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.

Ratings & Reviews

4.9

19 Reviews

Overall Assessment

Customers appreciate the product for its perfect fit, durability, and great value. The product has been used in various vehicles and scenarios, still delivering commendable performance. Several customers also praised its quality, stating it's much sturdier and heavier duty than standard or stock items, and even exceeds OEM quality in some cases. Many consumers intend to repurchase, reflecting their satisfaction. Users recommend spending a bit extra on this SFI-approved unit, asserting that it offers robustness and safety. The product also impresses with its easy and simple installation.

Write A Review

4.9

19 reviews

5

17

4

2

3

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2

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1

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Would buy again

5.0

a year ago

John

South dakota

Verified

Order for a hobby stock, had to enlarge the holes for torque converter but work perfectly otherwise

Would Recommend

Yes

5.0

2 years ago

Goat

Bowman Ga.

Verified

Great product

Would Recommend

Will definitely buy another one

5.0

3 years ago

Slim

Indiana

Verified

Direct fit

Would Recommend

great product for a difficult installation.

5.0

3 years ago

DWSUPERSTAR

Deltona, Fl.

Verified

Installing my small block Chev in my very narrow frame rails (24") overall, on my 33 Willys I Had to use the inner bolt patten on my starter to get it to fit, making it necessary to go to a 153 tooth flex plate, making it the end of my problem. Thanks.

Would Recommend

Worked great for my IMCA open engine.

5.0

4 years ago

Devyn

Nebraska

Worked great for my IMCA open engine. Will use this in the future. Durable and fast delivery.

Would Recommend

Yes

5.0

5 years ago

JackStand

Charleston SC

Verified

Great value

Would Recommend

Happy customer will purchase from them again.

5.0

5 years ago

Orange Girl

Florida

Verified

Product is as described not installed yet. Had to do switch I purchased from here first. Thank you. Happy customer

Would Recommend

Good quality

5.0

6 years ago

Sonny

Punta Gorda FL

Verified

On my new SBC I transplanted into my 47 Lincoln

Would Recommend

Keep 2 extra on hand

5.0

7 years ago

The Dalbo Dash

Ft. Leonard Wood

Verified

direct fit bolt in at a great price.

Would Recommend

Super product. Will buy again.

5.0

7 years ago

Smacksy

Charles City Iowa

Verified

Very heavy Duty.

Would Recommend

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Showing 10 of 19 reviews

Questions & Answers

10 Questions • 11 Answers

Will this fit a Chevy 327

by Fat old bald

• 2 years ago

1 answer

View Answer

Will this fit my 409w block with 2 piece seal and connecting to a 2004r with a 3 bolt converter.

by Ed

• 2 years ago

2 answers

View Answers

Will this flex plate work on a 348 W-block with a 4L60 transmission. My understanding is that the 348 crank has the same bolt pattern as the SBC that has a 2 piece rear main seal.

by old hot rodder

• 7 years ago

1 answer

View Answer

I have a 383chevy with a 2pcs seal external balance which flex plate will work with 200r4 transmisson 153 tooth/ 2.5 inch hole

by tom

• 10 years ago

1 answer

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i have an internally balanced 383 with a 2 piece rear main what flywheels would work for me

by 3d racing

• 10 years ago

1 answer

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How much does this flexplate weigh?

by superstock9

• 12 years ago

1 answer

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what brand is this flexplate?

by p51racer

• 12 years ago

1 answer

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Is this a duel bolt pattern flexplate? 10 3/4 or 11 1/2 bolt pattern for converter

by SIRDUKE72

• 13 years ago

1 answer

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Will this accept a convetor for TH350?

by sawdust

• 13 years ago

1 answer

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will this product work on my 230 inline 6 i have a 700r4 transmission

by Wondering

• 15 years ago

1 answer

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