Full Chassis Kits

Pro-Touring & Pro-Street Builder Chassis Kits

The ultimate 4x2" engineered foundation for corner-carving precision or straight-line dominance. Complete, weld-in frame solutions tailored to your performance goals.

Exploded technical rendering of a Chassisworks full builder chassis kit showing the complete perimeter frame rails, front and rear suspension assemblies, and the matching weld-in floor pan and wheel tub system

Rigid 4x2" Tube Construction

Fabricated entirely from mandrel-bent 4x2" steel tubing, providing massive torsional rigidity and a uniform foundation compared to flimsy OE factory frames or generic rails.

Advanced A-Arm Front Track

Features a high-performance double A-arm front suspension design engineered for optimized roll centers, minimal bump steer, and precise tire-to-road contact patches under heavy loads.

Six Application-Specific Styles

Configured to your exact build strategy—choose from three high-performance Pro-Touring architectures or three hook-and-launch Pro-Street setups to match your horsepower and handling goals.

Precision Builder-Kit Delivery

Delivered as a high-precision, weld-in builder configuration. Designed to accommodate varying wheelbases and custom floor modifications while minimizing overall shop fabrication hours.

Chassisworks weld-in custom builder chassis frame kit with Canted 4-Link rear suspension assembly

CANTED 4-LINK CHASSIS

Best For: High-horsepower Pro-Touring & street performance.
Key Feature: Excellent lateral control without needing a Panhard bar; packaging-friendly.

Custom car builder chassis frame featuring a Rocker-Arm Independent Rear Suspension (IRS) with inboard shocks

ROCKER-ARM IRS CHASSIS

Best For: Exotic handling, maximum cornering grip, and track-day dominance.
Key Feature: Independent rear suspension with inboard pushrod shocks for low unsprung weight.

Pro-Touring custom builder full chassis kit configured with a high-performance Torque-Arm rear suspension

TORQUE-ARM CHASSIS

Best For: Autocross, road racing, and balanced street manners.
Key Feature: Separates cornering forces from braking/acceleration traction for highly predictable handling.

Pro-Street custom builder chassis frame kit with 32-inch ladder bars featuring street-friendly polyurethane bushings

32" LADDER BAR CHASSIS

Best For: Compact or short-wheelbase Pro-Street builds maximizing interior cabin and footwell space.
Key Feature: Shorter 32" radius packaging allows rearward crossmember placement; includes street-friendly polyurethane bushings.

Weld-in full builder chassis frame equipped with 36-inch Pro-Street ladder bars and polyurethane bushings for street driving

36" LADDER BAR CHASSIS

Best For: Traditional mid-to-long wheelbase Pro-Street cars and custom street trucks.
Key Feature: Longer 36" span provides a flatter suspension arc for smooth street manners; features durable polyurethane bushings.

High-horsepower Pro-Street custom builder chassis frame with adjustable Sportsman 4-Link suspension and polyurethane bushed links

SPORTSMAN 4-LINK CHASSIS

Best For: High-horsepower Pro-Street applications requiring maximum tuning control.
Key Feature: Features street-durable polyurethane bushed links with adjustable instant center points.

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