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Advance Adapters

Advance Adapters LS Series Flexplate Adapter Kits 712500A and Hub Extension, 168-Tooth, Chevy Engine to GM Transmission, Each

SKU: AAS712500A

Flexplates
Advance Adapters LS Series Flexplate Adapter Kits 712500A and Hub Extension, 168-Tooth, Chevy Engine to GM Transmission, Each

Advance Adapters

Advance Adapters LS Series Flexplate Adapter Kits 712500A and Hub Extension, 168-Tooth, Chevy Engine to GM Transmission, Each

SKU: AAS712500A

Flexplates
A$479.84
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: Includes crankshaft bolts and pilot adapter for use when installing an early, non-LS transmission. This will not fit 1999-2000 6.0L applications with 0.400 in. extended crank flange and came with flat flexplate. This will not fit 1999-2000 4.8L applications that originally came with a manual transmission.

Advance Adapters LS Series flexplate kits allow you to fit the TH400/TH350/700R transmission to the Gen III/LS engine. The kits include a custom flexplate to fit your specific transmission, a crank spacer that compensates for the shorter engine crank, and 11mm flexplate bolts.

Part Type

LS Engine to GM TH350/ 700R/200R4 Trans Kit

Data: v4.2 - Upd: 2026-09-27 11:44:19

Specifications

Product Attributes - Brand
Advance Adapters
Product Attributes - Manufacturer's Part Number
712500A
Product Attributes - Part Type
Flexplates
Product Attributes - Product Line
Advance Adapters LS Series Flexplate Adapter Kits
Product Attributes - UPC
808331029307
Product Attributes - Ring Gear Tooth Quantity
168-tooth
Product Attributes - Flexplate Diameter (in.)
14.00
Product Attributes - Rear Main Seal Style
1-piece
Product Attributes - Engine Balance
Internal
Product Attributes - Flexplate Material
Steel
Product Attributes - Marine Use
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Includes crankshaft bolts and pilot adapter for use when installing an early, non-LS transmission. This will not fit 1999-2000 6.0L applications with 0.400 in. extended crank flange and came with flat flexplate. This will not fit 1999-2000 4.8L applications that originally came with a manual transmission.

Reference Information

Brand Name/s Advance Adapters
StreetFX SKU aas712500A
SFX Item ID 4960891
Supplier Item Code 4960891
Manufacturer SKU 712500A
Manufacturer UPC 808331029307
Alternative References AA712500A, ADD-712500A, ADV712500A, 168-Tooth

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2002
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer Code4L80-E
    Application NotesDoes not fit engines with cast iron cylinder heads. (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2002
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
    Application NotesDoes not fit engines with cast iron cylinder heads. (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2002
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    Application NotesDoes not fit engines with cast iron cylinder heads. (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2002
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer Code4L80-E
    Application NotesDoes not fit engines with cast iron cylinder heads. (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2002
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
    Application NotesDoes not fit engines with cast iron cylinder heads. (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2002
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    Application NotesDoes not fit engines with cast iron cylinder heads. (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2003
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer Code4L80-E
    Application NotesWill not work with engines that originally were hooked to manual transmissions (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2003
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
    Application NotesWill not work with engines that originally were hooked to manual transmissions (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2003
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    Application NotesWill not work with engines that originally were hooked to manual transmissions (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2003
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer Code4L80-E
    Application NotesWill not work with engines that originally were hooked to manual transmissions (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2003
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
    Application NotesWill not work with engines that originally were hooked to manual transmissions (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2003
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    Application NotesWill not work with engines that originally were hooked to manual transmissions (Crankshaft is not recessed 0.400 in. as others are).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer Code4L80-E
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer Code4L80-E
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer Code4L80-E
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer Code4L80-E
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year2003
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer Code4L80-E

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