Wheel Balancing Adaptor Kit. Porsche 356 / 356A / 356B  ❭  356ADAPTORKIT

Wheel Balancing Adaptor for 5x205 Rims – Includes M12x1.5 Fixing Bolts

Accurately balance classic wheels with a 5x205 bolt pattern using this OE Match Wheel Balancing Adaptor, designed to allow wide 5-pattern rims to be securely mounted on modern wheel balancing machines.

Fits:

• Porsche 356 1950-55
• Porsche 356A 1955-59
• Porsche 356B 1959-63

The adaptor can be used with M12x1.5 or M14x1.5 fixing bolts and is supplied complete with five M12x1.5 bolts.

What Does the Wheel Balancing Adaptor Do?

For a wheel to be balanced correctly, it must be accurately centred and securely mounted on the balancing machine.

Classic 5x205 wheels use a large-diameter five-bolt mounting pattern that may not be compatible with the standard cones and mounting equipment supplied with many modern wheel balancers.

This adaptor provides a dedicated mounting solution for 5x205 rims, allowing the wheel to be attached through its bolt pattern and then mounted to the balancing machine.

This helps provide:

• Accurate mounting of 5x205 wheels
• Secure positioning on modern wheel balancing machines
• Correct wheel centring
• More reliable wheel balancing
• Compatibility with classic wide 5-pattern wheels
• Easier servicing of vehicles using 5x205 rims

Why Is the Correct Balancing Adaptor Important?

Accurate wheel balancing depends on the wheel being correctly centred on the balancing machine.

If a 5x205 wheel is mounted incorrectly or is not perfectly centred, the balancing machine may produce inaccurate readings. This can result in unnecessary wheel weights being fitted or a wheel that still produces vibration once installed on the vehicle.

Using a dedicated 5x205 balancing adaptor allows the wheel to be mounted using its fixing pattern, providing a suitable solution for balancing classic wheels on modern workshop equipment.

How Is the Adaptor Used?

The wheel is secured to the adaptor through its 5x205 mounting holes using suitable fixing bolts.

The adaptor is then clamped onto the balancing machine using its 75mm inner diameter for the clamping sleeve. Once correctly mounted and centred, the wheel can be balanced using the normal operating procedure of the balancing machine.

The adaptor accepts:

• M12x1.5 fixing bolts M14x1.5 fixing bolts
• Five M12x1.5 fixing bolts are included with the adaptor.

Ideal for Classic Porsche and 5x205 Wheel Applications

The 5x205 bolt pattern is commonly associated with classic vehicles and requires specialist equipment when using many modern wheel balancing machines.

This adaptor is particularly useful for classic car specialists, Porsche workshops, restoration businesses and enthusiasts who regularly work with wide 5-pattern wheels.

Having the correct adaptor available eliminates the difficulty of trying to mount these wheels using equipment designed primarily for later wheel designs.

Technical Specifications

• Bolt pattern: 5x205
• Compatible fixing bolts: M12x1.5 and M14x1.5
• Inner diameter for clamping sleeve: 75mm
• Fixing bolts supplied: 5 x M12x1.5

5x205 Wheel Balancing Adaptors & Classic Porsche Workshop Tools

Correct wheel balancing is essential for smooth driving, predictable handling and reducing unnecessary vibration through the steering and suspension.

Classic 5x205 wheels can present a problem for modern tyre shops because many contemporary balancing machines are not equipped with the correct mounting hardware for wide 5-pattern rims.

A dedicated 5x205 wheel balancing adaptor bridges the gap between classic wheel designs and modern workshop equipment. By providing a secure and accurately centred mounting point, the adaptor allows older wheels to be balanced using contemporary balancing machines.

This makes it a useful workshop tool for classic Porsche maintenance, wheel restoration, tyre replacement and complete vehicle restoration projects.