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PIII-Approved Extended Wheel Studs M12×1.5 (+20 mm) – Toyota GR (1 pc)

When installing wheel spacers or aftermarket wheels with thicker mounting pads, maintaining adequate thread engagement is essential for safety. Extended wheel studs provide the additional thread length required to ensure the wheel is securely clamped to the hub under all driving conditions.

The PIII Extended Wheel Studs are manufactured from high-strength Grade 10.9 steel, offering the strength and durability required for demanding fast road and motorsport applications. Compared to the original studs, they provide an additional 20 mm of threaded length, allowing the safe installation of wheel spacers while maintaining proper thread engagement.

Manufactured with precise tolerances, each stud features a 14.30 mm spline diameter for a secure interference fit within compatible hubs, preventing movement under high loads. Their precision-machined threads ensure smooth installation and consistent torque application.

Designed and manufactured to the highest European engineering and quality standards, these wheel studs deliver the reliability and confidence expected from a motorsport-grade fastening solution.

Key Features

  • 1 extended wheel stud (20 needed per 1 vehicle)
  • M12×1.5 thread
  • High-strength Grade 10.9 steel
  • +20 mm longer threaded section than OEM
  • 62 mm overall length (excluding head)
  • 47 mm threaded length
  • 14.30 mm spline diameter
  • Precision-machined for exceptional fit and finish
  • Suitable for wheel spacers and aftermarket wheels
  • Designed for fast road and motorsport applications

Product Specifications

Specification Value
Product PIII Extended Wheel Studs
Quantity 1 wheel stud
Thread Size M12 × 1.5
Overall Length (excluding head) 62 mm
Threaded Length 47 mm
Additional Thread Length +20 mm vs OEM
Spline Diameter 14.30 mm
Material High-strength steel
Strength Grade 10.9
Intended Use Road and track


Vehicle Fitment

Compatible with vehicles using 14.30 mm spline diameter wheel studs, including:

  • Toyota GR Yaris
  • Toyota GR Corolla
  • Toyota GR86
  • Lexus LBX Morizo RR
  • Mitsubishi Lancer Evolution IV–IX

For GR86 applications with confirmed hub fitment, these are an M12×1.5 conversion and require matching M12×1.5 nuts. Do not reuse factory M12×1.25 nuts.

Installation Notes

Installing these (or any) wheel studs on the cars above require removing the wheel bearings from the car and using a hydraulic press. Only mechanically trained personnel should perform this installation. Total time required 2.5-4 hours. 

Important

These wheel studs are intended as replacement or upgraded press-fit wheel studs for compatible hubs. Always verify spline diameter, stud length, and hub compatibility before installation. Wheel studs should be installed using the correct workshop procedures and torque specifications. After installation, recheck wheel nut torque after the first 50–100 km of driving.

Frequently asked questions

Is the price for one stud or a vehicle set?

One stud. Order 20 units for a complete 20-stud replacement.

Which dimensions should I check?

M12×1.5 thread, 14.30 mm spline diameter, 62 mm overall length excluding the head and 47 mm threaded length. The threaded section is 20 mm longer than OEM. Confirm hub compatibility and wheel clearance.

How should the studs be installed?

Use mechanically trained personnel. The installation notes specify bearing removal and a hydraulic press. Follow the correct workshop and torque procedures, then recheck wheel-nut torque after 50–100 km.

PIII-Approved Extended Wheel Studs M12×1.5 (+20 mm) – Toyota GR (1 pc)

SKU: Stud_M12x1p5_47mm
Regular price €1,80
Unit price
per 

Worldwide shipping available. Rates are calculated at checkout and subsidised by PIRAS Motorsport.

 
Shipping calculated at checkout.

PIII-Approved Extended Wheel Studs M12×1.5 (+20 mm) – Toyota GR (1 pc)

When installing wheel spacers or aftermarket wheels with thicker mounting pads, maintaining adequate thread engagement is essential for safety. Extended wheel studs provide the additional thread length required to ensure the wheel is securely clamped to the hub under all driving conditions.

The PIII Extended Wheel Studs are manufactured from high-strength Grade 10.9 steel, offering the strength and durability required for demanding fast road and motorsport applications. Compared to the original studs, they provide an additional 20 mm of threaded length, allowing the safe installation of wheel spacers while maintaining proper thread engagement.

Manufactured with precise tolerances, each stud features a 14.30 mm spline diameter for a secure interference fit within compatible hubs, preventing movement under high loads. Their precision-machined threads ensure smooth installation and consistent torque application.

Designed and manufactured to the highest European engineering and quality standards, these wheel studs deliver the reliability and confidence expected from a motorsport-grade fastening solution.

Key Features

  • 1 extended wheel stud (20 needed per 1 vehicle)
  • M12×1.5 thread
  • High-strength Grade 10.9 steel
  • +20 mm longer threaded section than OEM
  • 62 mm overall length (excluding head)
  • 47 mm threaded length
  • 14.30 mm spline diameter
  • Precision-machined for exceptional fit and finish
  • Suitable for wheel spacers and aftermarket wheels
  • Designed for fast road and motorsport applications

Product Specifications

Specification Value
Product PIII Extended Wheel Studs
Quantity 1 wheel stud
Thread Size M12 × 1.5
Overall Length (excluding head) 62 mm
Threaded Length 47 mm
Additional Thread Length +20 mm vs OEM
Spline Diameter 14.30 mm
Material High-strength steel
Strength Grade 10.9
Intended Use Road and track


Vehicle Fitment

Compatible with vehicles using 14.30 mm spline diameter wheel studs, including:

  • Toyota GR Yaris
  • Toyota GR Corolla
  • Toyota GR86
  • Lexus LBX Morizo RR
  • Mitsubishi Lancer Evolution IV–IX

For GR86 applications with confirmed hub fitment, these are an M12×1.5 conversion and require matching M12×1.5 nuts. Do not reuse factory M12×1.25 nuts.

Installation Notes

Installing these (or any) wheel studs on the cars above require removing the wheel bearings from the car and using a hydraulic press. Only mechanically trained personnel should perform this installation. Total time required 2.5-4 hours. 

Important

These wheel studs are intended as replacement or upgraded press-fit wheel studs for compatible hubs. Always verify spline diameter, stud length, and hub compatibility before installation. Wheel studs should be installed using the correct workshop procedures and torque specifications. After installation, recheck wheel nut torque after the first 50–100 km of driving.

Frequently asked questions

Is the price for one stud or a vehicle set?

One stud. Order 20 units for a complete 20-stud replacement.

Which dimensions should I check?

M12×1.5 thread, 14.30 mm spline diameter, 62 mm overall length excluding the head and 47 mm threaded length. The threaded section is 20 mm longer than OEM. Confirm hub compatibility and wheel clearance.

How should the studs be installed?

Use mechanically trained personnel. The installation notes specify bearing removal and a hydraulic press. Follow the correct workshop and torque procedures, then recheck wheel-nut torque after 50–100 km.

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