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Wheel Spacers
By OE Match
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
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
Many modern balancing machines are designed around wheels with a conventional centre bore and can be difficult to use accurately with older 5x205 wheels. This specialist adaptor provides the correct mounting interface, allowing the wheel to be securely clamped and centred on the balancing machine.
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.
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
Wheel Spacers – 5x205mm Bolt Circle and 160mm Hub Opening
Sold as a pair
Improve wheel clearance, offset or stance while maintaining
a discreet, original-style appearance with these OE Match Wheel Spacers for
vehicles using the classic 5x205mm bolt pattern.
Fits:
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
Precision CNC machined and supplied as a pair, these spacers feature a large 160mm hub opening and are available in six thicknesses: 5mm, 10mm, 15mm, 20mm, 25mm and 30mm.
The design is particularly suited to original-style wheels. Unlike many conventional wheel spacers that leave a noticeable ring visible behind the rim, these spacers are designed to remain largely hidden once the wheel is installed.
An internal chamfer allows the spacer to sit correctly against the brake drum, providing a clean and precise fit.
What Do Wheel Spacers Do?
Wheel spacers fit between the wheel and the brake drum or hub, moving the wheel further outwards by the thickness of the spacer.
Depending on the application and thickness selected, fitting
wheel spacers can:
- Increase wheel-to-suspension clearance
- Adjust the effective wheel offset
- Provide clearance for different wheel and tyre combinations
- Increase vehicle track width
- Position the wheel further towards the edge of the wheel arch
- Create a wider and more purposeful stance
Selecting the correct spacer thickness is important to ensure adequate clearance between the wheel, tyre, suspension and bodywork.
Designed for Original-Style 5x205 Wheels
These spacers have been specifically designed to complement original-style wheels using the traditional 5x205 bolt pattern.
The CNC-machined profile keeps the spacer largely hidden behind the wheel, avoiding the prominent visible ring that can occur with some conventional spacer designs.
This makes them particularly suitable for classic vehicles where improved wheel positioning is required without detracting from the original appearance.
They can also be used with other compatible wheels featuring a 5x205mm bolt pattern, subject to checking the dimensions and clearances of the individual wheel.
Precision Fit Against the Brake Drum
A carefully machined chamfer on the inside of the spacer allows it to locate correctly against the brake drum.
Correct seating is essential when installing wheel spacers. The spacer must sit flat against the mounting surface without interference before the wheel is installed.
Available Spacer Thicknesses
These 5x205 wheel spacers are available in:
- 5mm
- 10mm
- 15mm
- 20mm
- 25mm
- 30mm
Each size is sold as a pair.
The range of thicknesses allows the wheel position to be adjusted according to the individual vehicle, wheel specification and required clearance.
Longer Wheel Bolts May Be Required
Increasing the distance between the wheel and mounting surface reduces the amount of the original wheel bolt that engages with the hub or brake drum.
Longer wheel bolts may therefore be required when fitting these spacers.
As a general rule, the additional wheel bolt length should correspond to the thickness of the spacer being installed. For example, a 15mm spacer will normally require a wheel bolt approximately 15mm longer than the original.
The correct bolt type, length and thread engagement must always be confirmed for the individual vehicle and wheel combination before use.
5x205 Wheel Spacers for Classic Porsche & Wide 5 Wheels
The 5x205 wheel pattern is widely associated with early classic vehicle applications and requires appropriately designed components when altering wheel position or offset.
Wheel spacers provide a straightforward way of moving the wheel outwards without changing the wheel itself. They can be useful when additional inner clearance is required or when owners want to improve the position of the wheel within the bodywork.
For classic vehicles using original-style rims, appearance is also important. These CNC-machined 5x205 wheel spacers are designed to remain discreetly positioned behind the wheel, helping retain a traditional appearance while providing the required increase in track width or clearance.
With thicknesses ranging from 5mm to 30mm, the appropriate spacer can be selected according to the required wheel position and individual vehicle setup.
OEMatch Wheel Spacers — Fit, Function, Confidence
Wheel spacers change the effective track width and wheel offset on Porsche models to resolve clearance issues, permit larger brakes or wider wheels, and achieve a tailored stance. OEMatch supplies a broad Porsche-focused catalogue and catalogues over 4,000 part numbers with more than 8,700 OE cross-references to support long-term maintenance.
Available Types
- Hub-centric aluminium spacers in multiple thicknesses
- Fitment kits with hub rings and extended bolts
- Shim-style spacers for fine offset adjustments
Understanding OEMatch Wheel Spacers
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original wheel spacers.
OE (Original Equipment) refers to parts matching original specifications for the wheel spacers and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM wheel spacers engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Wheel spacers sit between hub and wheel; correct selection keeps the wheel centred on the hub, preserves brake and suspension clearances and maintains steering geometry where intended.
Benefits Include
- Increased track width for improved lateral stability where appropriate
- Additional clearance to accommodate larger brakes or wider wheels
- Ability to adjust offset to correct wheel fitment and stance
Why Wheel Spacers Wear and Fail
- Corrosion at the hub or spacer face from moisture, road salt or brake dust
- Incorrect installation or incorrect torque on wheel fasteners causing movement
- Distortion or material fatigue from overloading, impact or poor-quality construction
The Importance of Replacing with OEMatch Wheel Spacers
Regular inspection and timely replacement of degraded spacers preserve wheel alignment, balance and vehicle safety. Worn, corroded or distorted spacers can cause vibration, uneven tyre wear and compromised handling; choosing accurately sized, hub-centric options and following correct torque and fitting procedures helps retain centring and load distribution across the wheel fasteners.
Advantages
- Hub-centric designs maintain correct wheel centring where specified
- Aluminium options provide a balance of strength and reduced added mass compared with heavier materials
- Available in multiple thicknesses to match specific fitment needs without modifying suspension components
