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Chevrolet Performance 19125597

Chevrolet Performance 8-Bolt Crankshaft Adapter Kit For LSA & LSX454

809-19125597

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$536.99
Chevrolet Performance 8-Bolt Crankshaft Adapter Kit For LSA & LSX454 $536.99
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8-Bolt Crankshaft Adapter Kit
  • For LSA & LSX454
  • Chevrolet Performance 19125597 Details

    GM Flexplates

    Install Notes:
  • Use with LSA, LSX454 and LSX454R crate engines with 8-boltcrankshaft flange
  • Includes flexplate, adapter hub and hardware
  • Provides the correct converter pilot support for production 4L80/85style torque converters
  • This adapter kit must be used with 809-19300175 Supermatic 4L85 trans & torque converter 809-24217235

  • Specifications:

    Engine Balance
    Internal
    Safety Rating
    Not SFI Approved
    Flexplate Material
    Steel
    Quantity
    Sold as a kit
    Ring Gear Tooth Quantity
    153-tooth
    Rear Main Seal Style
    1-piece
    Manufacturer's Part Number:
    19125597

    At the opposite end of the crankshaft from the balancer is the flexplate, which connects the engine to the automatic transmission through the torque converter assembly. Flexplates help transfer power from the engine to the wheels. Chevrolet Performance offers both internally and externally balanced Chevy flexplates. It is critical that you use the correct design for your specific engine application. Engines with one-piece crankshaft seals require externally balanced flexplates (except for ZZ427, ZZ572/620, ZZ572/720R and the Anniversary Edition 427).

    Note: Torque converters for TH350 and TH400 transmissions are produced with both 10.75" and 11.50" diameter converter bolt patterns. To identify the correct converter bolt pattern, measure from the converter center to an attaching bolt hole and then multiply this dimension by 2.

    I have an e-rod LSA crate engine but i want to use the 4l75e because i don't think the 4l85e will fit in my car. Can This only be used with a 4l85e or will it work for my application too?

    Asked by: WSSCC
    GM says it works with the 4L80 or 4L85E they have no fitment guarantee for the 4L75E
    Answered by: SteveM
    Date published: 2017-12-27

    So i have lsa and 4l80e, is this the flexplate i need?

    Asked by: Franky
    Yes, this is the correct flexplate for your application.
    Answered by: Rusty B
    Date published: 2017-11-16
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