Allstar Performance crank adapter sleeves are designed to allow use of a TH350/TH400 transmission and curved flexplate with a GM LS engine. They're easy to use. Simply insert the adapter sleeve into the crankshaft end to center the torque converter pilot with the crankshaft. The adapter sleeves are manufactured from high-quality steel and are finished in black. For racing, rodding, and street performance part choose Allstar!
- Flexplate Adapter Material:
- Steel
- Flexplate Adapter Finish:
- Black
- Quantity:
- Sold individually.
- Notes:
- Crank adapter sleeve allows use of a TH350/TH400 transmission and curved flexplate with a GM LS engine.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Engine Sizes:
- 4.8L/294-7.0L/427
- Years:
- 1997-2019
- Transmission:
- Automatic
- Transmission Type:
- TH350/TH400