GForce Crossmembers TH400/700R4 Transmission Crossmember — Fits 1977-1990 GM B-Body

SKU: GCBJ_RCB3-400
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Versatile Drivetrain Support for GM B-BodyThe GForce transmission crossmember for ...Read More

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Sale price$405.00
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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

Versatile Drivetrain Support for GM B-Body

The GForce transmission crossmember for 1977-1990 GM B-Body vehicles is the ultimate upgrade for those running TH400, 2004R, or 700R4 transmissions. Whether you are building a high-performance street machine or a dedicated drag car, this crossmember provides the necessary rigidity and clearance to ensure your drivetrain operates at its best. Its bolt-on design makes it a favorite among DIY enthusiasts and professional builders alike.

Key Features and Benefits

  • Broad Compatibility: Supports TH400, 2004R, and 700R4 transmissions.
  • Perfect Fit: Engineered for 1977-1990 GM B-Body chassis.
  • High-Strength Steel: Constructed from heavy-duty steel for maximum durability.
  • Corrosion Protection: Finished in a durable black powder coat.
  • Easy Installation: Bolt-on design requires no welding or major modifications.

This GForce component is designed to replace factory crossmembers that often lack the necessary strength for high-torque applications. By providing a solid foundation for your transmission, this crossmember helps reduce vibration and ensures consistent shifting under load. The thoughtful design also provides ample clearance for exhaust systems, making it a practical choice for custom builds. When you choose GForce, you are choosing quality engineering that has been tested to meet the demands of modern performance. Elevate your driving experience and ensure your drivetrain is ready for anything. Discover the difference that premium components make by shopping with GGCRACING for your next automotive project.

Product Details

Product Description
Part Numbers
Sizing & Fit

Versatile Drivetrain Support for GM B-Body

The GForce transmission crossmember for 1977-1990 GM B-Body vehicles is the ultimate upgrade for those running TH400, 2004R, or 700R4 transmissions. Whether you are building a high-performance street machine or a dedicated drag car, this crossmember provides the necessary rigidity and clearance to ensure your drivetrain operates at its best. Its bolt-on design makes it a favorite among DIY enthusiasts and professional builders alike.

Key Features and Benefits

  • Broad Compatibility: Supports TH400, 2004R, and 700R4 transmissions.
  • Perfect Fit: Engineered for 1977-1990 GM B-Body chassis.
  • High-Strength Steel: Constructed from heavy-duty steel for maximum durability.
  • Corrosion Protection: Finished in a durable black powder coat.
  • Easy Installation: Bolt-on design requires no welding or major modifications.

This GForce component is designed to replace factory crossmembers that often lack the necessary strength for high-torque applications. By providing a solid foundation for your transmission, this crossmember helps reduce vibration and ensures consistent shifting under load. The thoughtful design also provides ample clearance for exhaust systems, making it a practical choice for custom builds. When you choose GForce, you are choosing quality engineering that has been tested to meet the demands of modern performance. Elevate your driving experience and ensure your drivetrain is ready for anything. Discover the difference that premium components make by shopping with GGCRACING for your next automotive project.

Product Details

Product Description

Versatile Drivetrain Support for GM B-Body

The GForce transmission crossmember for 1977-1990 GM B-Body vehicles is the ultimate upgrade for those running TH400, 2004R, or 700R4 transmissions. Whether you are building a high-performance street machine or a dedicated drag car, this crossmember provides the necessary rigidity and clearance to ensure your drivetrain operates at its best. Its bolt-on design makes it a favorite among DIY enthusiasts and professional builders alike.

Key Features and Benefits

  • Broad Compatibility: Supports TH400, 2004R, and 700R4 transmissions.
  • Perfect Fit: Engineered for 1977-1990 GM B-Body chassis.
  • High-Strength Steel: Constructed from heavy-duty steel for maximum durability.
  • Corrosion Protection: Finished in a durable black powder coat.
  • Easy Installation: Bolt-on design requires no welding or major modifications.

This GForce component is designed to replace factory crossmembers that often lack the necessary strength for high-torque applications. By providing a solid foundation for your transmission, this crossmember helps reduce vibration and ensures consistent shifting under load. The thoughtful design also provides ample clearance for exhaust systems, making it a practical choice for custom builds. When you choose GForce, you are choosing quality engineering that has been tested to meet the demands of modern performance. Elevate your driving experience and ensure your drivetrain is ready for anything. Discover the difference that premium components make by shopping with GGCRACING for your next automotive project.

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