GForce Crossmembers 4L80/4L80E Transmission Crossmember — Fits 70-74 GM F-Body

SKU: GCBJ_RCF2E-4L80
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Heavy-Duty 4L80/4L80E Transmission Swap CrossmemberSwapping a 4L80 or 4L80E transmission ...Read More

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Sale price$360.00
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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

Heavy-Duty 4L80/4L80E Transmission Swap Crossmember

Swapping a 4L80 or 4L80E transmission into your 1970-1974 GM F-Body requires a robust support system. The GForce Crossmembers transmission crossmember is specifically designed to handle the size and weight of these heavy-duty transmissions. Engineered for a seamless fit, this unit allows you to upgrade your drivetrain without the need for complex fabrication or custom welding.

Built for Performance and Reliability

  • Engineered specifically for 4L80 and 4L80E transmissions
  • Precision-cut steel construction for superior load bearing
  • Black powder coat finish for long-lasting protection
  • Designed to maintain correct driveline angles
  • Bolt-on installation utilizes existing chassis holes

When upgrading to an electronic overdrive transmission like the 4L80E, maintaining proper geometry is critical to prevent vibration and premature wear. This GForce crossmember ensures your drivetrain remains stable under heavy acceleration. The high-strength steel construction provides the peace of mind needed for high-horsepower builds. Whether you are building a street machine or a track-ready car, this component is essential for a professional-grade transmission swap. Find all your drivetrain solutions at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Heavy-Duty 4L80/4L80E Transmission Swap Crossmember

Swapping a 4L80 or 4L80E transmission into your 1970-1974 GM F-Body requires a robust support system. The GForce Crossmembers transmission crossmember is specifically designed to handle the size and weight of these heavy-duty transmissions. Engineered for a seamless fit, this unit allows you to upgrade your drivetrain without the need for complex fabrication or custom welding.

Built for Performance and Reliability

  • Engineered specifically for 4L80 and 4L80E transmissions
  • Precision-cut steel construction for superior load bearing
  • Black powder coat finish for long-lasting protection
  • Designed to maintain correct driveline angles
  • Bolt-on installation utilizes existing chassis holes

When upgrading to an electronic overdrive transmission like the 4L80E, maintaining proper geometry is critical to prevent vibration and premature wear. This GForce crossmember ensures your drivetrain remains stable under heavy acceleration. The high-strength steel construction provides the peace of mind needed for high-horsepower builds. Whether you are building a street machine or a track-ready car, this component is essential for a professional-grade transmission swap. Find all your drivetrain solutions at GGCRACING.

Product Details

Product Description

Heavy-Duty 4L80/4L80E Transmission Swap Crossmember

Swapping a 4L80 or 4L80E transmission into your 1970-1974 GM F-Body requires a robust support system. The GForce Crossmembers transmission crossmember is specifically designed to handle the size and weight of these heavy-duty transmissions. Engineered for a seamless fit, this unit allows you to upgrade your drivetrain without the need for complex fabrication or custom welding.

Built for Performance and Reliability

  • Engineered specifically for 4L80 and 4L80E transmissions
  • Precision-cut steel construction for superior load bearing
  • Black powder coat finish for long-lasting protection
  • Designed to maintain correct driveline angles
  • Bolt-on installation utilizes existing chassis holes

When upgrading to an electronic overdrive transmission like the 4L80E, maintaining proper geometry is critical to prevent vibration and premature wear. This GForce crossmember ensures your drivetrain remains stable under heavy acceleration. The high-strength steel construction provides the peace of mind needed for high-horsepower builds. Whether you are building a street machine or a track-ready car, this component is essential for a professional-grade transmission swap. Find all your drivetrain solutions at GGCRACING.

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