PRW Crank Adapter Sleeve GM LS to Early Transmission Steel — Fits GM LS Engines

SKU: FMJX_1800346
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About PRW

PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

LS Conversion Made Simple

The PRW Crank Adapter Sleeve (1800346) is the perfect solution for builders looking to mate a modern GM LS-series engine to an early model transmission. This adapter sleeve is designed to compensate for the difference in crankshaft pilot depth, allowing for a secure and accurate fitment of your torque converter.

Technical Advantages

  • Application: GM LS-Series Crank to Early GM Transmission
  • Material: High-Grade Steel
  • Precision Machined for Accuracy
  • Reduces Drivetrain Vibration
  • Essential for LS Swap Projects

LS swaps are incredibly popular, but they often present challenges when it comes to transmission compatibility. This PRW adapter sleeve eliminates the guesswork by providing a robust, direct-fit solution. Crafted from durable steel, this sleeve provides the structural integrity needed to handle the increased power output of an LS engine. By ensuring the torque converter is properly centered and supported, you protect your transmission from premature failure and ensure smooth, consistent shifting. Whether you are building a classic muscle car or a modern street machine, this component is a must-have for your LS engine conversion. Experience the quality and performance of parts from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About PRW

PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

LS Conversion Made Simple

The PRW Crank Adapter Sleeve (1800346) is the perfect solution for builders looking to mate a modern GM LS-series engine to an early model transmission. This adapter sleeve is designed to compensate for the difference in crankshaft pilot depth, allowing for a secure and accurate fitment of your torque converter.

Technical Advantages

  • Application: GM LS-Series Crank to Early GM Transmission
  • Material: High-Grade Steel
  • Precision Machined for Accuracy
  • Reduces Drivetrain Vibration
  • Essential for LS Swap Projects

LS swaps are incredibly popular, but they often present challenges when it comes to transmission compatibility. This PRW adapter sleeve eliminates the guesswork by providing a robust, direct-fit solution. Crafted from durable steel, this sleeve provides the structural integrity needed to handle the increased power output of an LS engine. By ensuring the torque converter is properly centered and supported, you protect your transmission from premature failure and ensure smooth, consistent shifting. Whether you are building a classic muscle car or a modern street machine, this component is a must-have for your LS engine conversion. Experience the quality and performance of parts from GGCRACING.

Product Details

Product Description

About PRW

PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

LS Conversion Made Simple

The PRW Crank Adapter Sleeve (1800346) is the perfect solution for builders looking to mate a modern GM LS-series engine to an early model transmission. This adapter sleeve is designed to compensate for the difference in crankshaft pilot depth, allowing for a secure and accurate fitment of your torque converter.

Technical Advantages

  • Application: GM LS-Series Crank to Early GM Transmission
  • Material: High-Grade Steel
  • Precision Machined for Accuracy
  • Reduces Drivetrain Vibration
  • Essential for LS Swap Projects

LS swaps are incredibly popular, but they often present challenges when it comes to transmission compatibility. This PRW adapter sleeve eliminates the guesswork by providing a robust, direct-fit solution. Crafted from durable steel, this sleeve provides the structural integrity needed to handle the increased power output of an LS engine. By ensuring the torque converter is properly centered and supported, you protect your transmission from premature failure and ensure smooth, consistent shifting. Whether you are building a classic muscle car or a modern street machine, this component is a must-have for your LS engine conversion. Experience the quality and performance of parts from GGCRACING.

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