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TCI Machined 166-Tooth Flexplate 399673 Flexplate, 166-Tooth, Internal Engine Balance, 2.750 in. I.D. Crankshaft register, SFI 29.1, Pontiac, V8, Each

SKU: TCI399673

Flexplates
TCI Machined 166-Tooth Flexplate 399673 Flexplate, 166-Tooth, Internal Engine Balance, 2.750 in. I.D. Crankshaft register, SFI 29.1, Pontiac, V8, Each

Tci Auto

TCI Machined 166-Tooth Flexplate 399673 Flexplate, 166-Tooth, Internal Engine Balance, 2.750 in. I.D. Crankshaft register, SFI 29.1, Pontiac, V8, Each

SKU: TCI399673

Flexplates
A$813.13
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

For serious performance, TCI machined SFI-approved flexplates are a "must have". These .140 in. thick flexplates are constructed of A514 Blanchard ground steel and are SFI 29.1 approved. TCI offers a complete line of Chrysler and Ford flexplates with GM and Ford bolt patterns for use with their adapter plate kits as well as neutral balanced flexplates with 168-tooth and 166-tooth starter rings for Chevy and Pontiac applications. Now you can speed down the track with the confidence of TCI machined SFI-approved flexplates.

Part Type

Pontiac 166 Tooth SFI Flywheel

Data: v4.2 - Upd: 2026-09-30 16:40:39

Specifications

Product Attributes - Brand
TCI Auto
Product Attributes - Manufacturer's Part Number
399673
Product Attributes - Part Type
Flexplates
Product Attributes - Product Line
TCI Machined Flexplates
Product Attributes - UPC
788120022118
Product Attributes - Ring Gear Tooth Quantity
166-tooth
Product Attributes - Engine Balance
Internal
Product Attributes - Flexplate Material
Steel
Product Attributes - SFI Rating
SFI 29.1
Product Attributes - Marine Use
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
2.750 in. I.D. Crankshaft register. Designed for engines custom balanced internally. Large bolt pattern. 166-Tooth. Machined flexplate.

Reference Information

Brand Name/s Tci Auto
StreetFX SKU tci399673
SFX Item ID 5058894
Supplier Item Code 5058894
Manufacturer SKU 399673
Manufacturer UPC 788120022118
Alternative References 166-Tooth, V8

Compatibility

Application Data
  • MakePONTIAC
    Beginning Year1957
    Ending Year1957
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size5.7L/347
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1957
    Ending Year1957
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size5.7L/347
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1958
    Ending Year1958
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size6.1L/370
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1958
    Ending Year1958
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size6.1L/370
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1959
    Ending Year1966
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size6.4L/389
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1959
    Ending Year1966
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size6.4L/389
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1963
    Ending Year1966
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size6.9L/421
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1963
    Ending Year1966
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size6.9L/421
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1963
    Ending Year1967
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size5.3L/326
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1963
    Ending Year1967
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size5.3L/326
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1967
    Ending Year1969
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size7.0L/428
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1967
    Ending Year1969
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size7.0L/428
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1967
    Ending Year1975
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1967
    Ending Year1975
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size6.6L/400
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1968
    Ending Year1975
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size5.7L/350
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1968
    Ending Year1975
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size5.7L/350
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1970
    Ending Year1976
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size7.5L/455
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
  • MakePONTIAC
    Beginning Year1970
    Ending Year1976
    Engine TypeV8
    Engine FamilyPontiac V8
    Engine Size7.5L/455
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt

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