Stifflers Suspension Performance Transmission Crossmember
Design & Performance Features
-
High-Strength Single-Tube Construction
Engineered to provide greater chassis stiffness and durability compared to typical OEM multi-piece crossmembers. -
Improved Exhaust Clearance
Streamlined tubular design allows additional routing space for performance exhaust systems. -
Versatile Fitment Design
Adjustable mounting sleeves and repositionable spacers accommodate multiple drivetrain configurations. -
Maintains Proper Driveline Geometry
Designed to retain correct pinion angle and transmission alignment for smooth power delivery. -
Low-Deflection Polyurethane Mount Bushings
Helps reduce drivetrain vibration and noise while maintaining firm transmission support. -
Race-Ready Upgrade Path
Optional solid bushings available for maximum rigidity in competition applications. -
Compatible with OEM & Aftermarket Transmission Mounts
Flexible installation across a wide range of builds.
Common Performance Applications
- Manual or automatic transmission swaps
- Muscle car or pro-touring builds
- Street performance upgrades
- Track day or drag racing setups
- Exhaust system clearance improvements
- Chassis stiffening upgrades
What’s Included
- Stifflers Suspension single-tube transmission crossmember
- Adjustable mounting sleeves
- Spacer kit
- Polyurethane mount bushings
- Installation hardware (varies by application)
Fitment Notes
- Designed for vehicle-specific applications — verify make, model, and drivetrain before ordering
- Works with factory and most aftermarket transmission mounts
- Optional solid bushings recommended for dedicated racing use
Installation Overview
- Bolt-in design for straightforward installation
- Slide mounting sleeves to proper width
- Reposition spacers as required for drivetrain alignment
- Confirm pinion angle after installation

Description
Design & Performance Features
-
High-Strength Single-Tube Construction
Engineered to provide greater chassis stiffness and durability compared to typical OEM multi-piece crossmembers. -
Improved Exhaust Clearance
Streamlined tubular design allows additional routing space for performance exhaust systems. -
Versatile Fitment Design
Adjustable mounting sleeves and repositionable spacers accommodate multiple drivetrain configurations. -
Maintains Proper Driveline Geometry
Designed to retain correct pinion angle and transmission alignment for smooth power delivery. -
Low-Deflection Polyurethane Mount Bushings
Helps reduce drivetrain vibration and noise while maintaining firm transmission support. -
Race-Ready Upgrade Path
Optional solid bushings available for maximum rigidity in competition applications. -
Compatible with OEM & Aftermarket Transmission Mounts
Flexible installation across a wide range of builds.
Common Performance Applications
- Manual or automatic transmission swaps
- Muscle car or pro-touring builds
- Street performance upgrades
- Track day or drag racing setups
- Exhaust system clearance improvements
- Chassis stiffening upgrades
What’s Included
- Stifflers Suspension single-tube transmission crossmember
- Adjustable mounting sleeves
- Spacer kit
- Polyurethane mount bushings
- Installation hardware (varies by application)
Fitment Notes
- Designed for vehicle-specific applications — verify make, model, and drivetrain before ordering
- Works with factory and most aftermarket transmission mounts
- Optional solid bushings recommended for dedicated racing use
Installation Overview
- Bolt-in design for straightforward installation
- Slide mounting sleeves to proper width
- Reposition spacers as required for drivetrain alignment
- Confirm pinion angle after installation











