Pure Rear-Wheel-Drive. Purpose-Built Performance.
For the drivers who want ultimate feedback, balance, and mechanical connection — the Dusold Designs RWD Chassis delivers a true motorsport foundation without compromise.
This is not a modified factory frame. It’s a clean-sheet, motorsport engineered, rear-wheel-drive chassis designed to handle serious power, extreme grip, and relentless track abuse.
Built for Big Power
Designed to support 1500+ WHP supercharged or turbocharged applications (with proper supporting drivetrain components), this chassis is built to take abuse and keep performing.
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Fully TIG welded in house with 4130 chromoly steel
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Reinforced structures for chassis stiffness to handle high torque
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Designed for high-load racing applications
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Engineered for rigidity and predictable handling
From road course to hillclimb — this platform is ready.
Sadev Sequential Transmission Integration
This RWD platform is supported by Sadev sequential transmission, delivering uncompromising motorsport performance.
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Lightning-fast clutchless upshifts and downshifts
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Positive, mechanical engagement
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Motorsport-proven durability
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Designed for high-torque applications
The Sadev sequential setup transforms the driving experience — immediate shifts, zero hesitation, and full control under power.
Fully Adjustable. Fully Dialed.
This chassis was engineered with real-world tuning in mind:
Adjustments with included parts:
- Camber
- Caster
- Toe
- Motion Ratio
- Rocker Position (Progressive, Neutral, Digressive)
- Roll Center Height
Adjustments with optional parts:
- Anti-Dive
- Camber Gain
- Optional Roll Bar Stiffness
- Optional 3rd Spring Assembly for Decoupled Roll vs Heave Stiffness
Pushrod Suspension Geometry
The RWD chassis features motorsport-grade pushrod suspension design for:
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Optimized weight distribution
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Reduced unsprung mass
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Improved aerodynamic packaging
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Easier damper and spring service
Everything is positioned for performance, serviceability, and structural integrity.
Modular Configuration Options
Available as:
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Front subframe
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Center frame truss
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Rear subframe
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Or fully assembled complete chassis
Whether you're integrating into an existing build or starting from scratch, the modular design gives you flexibility.
Designed for Modern Muscle & Race Builds
This universal RWD muscle chassis is ideal for:
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Pro-touring builds
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Time attack cars
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Drag and road racing applications
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Custom widebody projects
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High-horsepower street builds
Classic body. Modern race engineering. Pure rear-wheel-drive character.
Made in Texas
Every chassis is designed, fabricated, and fully TIG welded in-house at Dusold Designs.
No outsourcing. No compromises.
Just precision engineering and motorsport-grade fabrication — built right here in Texas.