42" Gasser Ladder Bar With Chromoly Rod Ends

• 42″ from center line of rear axle  tube to center of front rod end
• 1/4" Housing Brackets for 3" Axel Tubes
• 1″ X .156″ Wall DOM Steel Tubing
• Solid Rod Ends on Back, 3/4 Shank with 5/8" Hole
• Chromoly Spherical Rod Ends on Front 3/4 Shank with 5/8" Hole
• 42" C/L Rear Axle to C/L Front Mount Tube
• (4) 40-206 1/4″ mild steel housing brackets for 3″ axle tubes

A gasser ladder bar is a type of suspension component used in drag racing and gasser-style hot rods to improve traction and stability during acceleration. It is a triangular-shaped traction bar system designed to control axle movement and prevent wheel hop by distributing torque more effectively.

Purpose and Function

1. Torque Control – The ladder bar links the rear axle to the chassis, helping manage the torque transfer from the drivetrain to the wheels, reducing axle wrap.
2. Traction Improvement – It helps plant the rear tires to the ground more effectively, reducing wheelspin and improving launch performance.
3. Straight-Line Stability – By keeping the rear axle properly aligned, it ensures a consistent and controlled launch.
4. Gasser Styling – In traditional gasser drag cars (popular in the 1950s-60s), ladder bars are a signature feature, helping achieve the nose-up stance typical of gassers.

How It Works

• The ladder bar is typically mounted at two points on the rear axle and pivots at a single mounting point on the car’s frame.
• It acts as a leverage system, transferring the force of acceleration to the front mounting point, which in turn helps push the rear tires into the ground.

Comparison to Other Systems

• Four-link suspension offers more adjustability and is common in modern drag cars.
• Traction bars are a simpler alternative used mostly on leaf-spring cars.

Gasser ladder bars are ideal for vintage-styled race cars or drag strip applications, but they can make ride quality harsher for street use.