41-202 - Hays 41-202 Crankshaft Adapter Sleeve Image

Hays 41-202 Crankshaft Adapter Sleeve

Compatible with Big Block Ford to Adapter 1.85 in. Crankshaft Pilot to Early GM Torque Converter Pilot

PART# 41-202

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Hays crankshaft adapter sleeves allow you to bolt a GM automatic transmission to a Ford engine or an older GM automatic transmission to an LS-series engine. These adapter sleeves insert into the crankshaft flange with no modifications to give you the correct distance and pilot size to use a torque converter of the transmission type being installed. Use of this adapter keeps from possibly damaging the input shaft of your transmission when doing a transmission swap. These are manufactured from precision CNC-machined top quality steel.


  • Versions available to adapt Ford engine to GM transmission or LS engine to older GM transmission
  • CNC machined for a precise fit
  • Made from high quality steel
  • Adapts crankshaft pilot to torque converter snout
  • Gives added spacing between engine block and flexplate

Product Attributes

Brand Hays
Emission Code5
Manufacturer Part Number41-202
Product TypeCrankshaft Adapter Sleeves
Part Number41-202



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.