ARP 203-5409 Main Stud Kit for 2020-2025 Toyota Supra GR A90 3.0L B58 I6

Vehicle Fitment

• 2020-2025 Toyota Supra GR A90 (3.0L B58 I6, RWD)

Features

• Manufactured from 8740 chromoly steel
• Heat-treated to 190,000 psi tensile strength
• Precision J-form threads rolled after heat treatment
• Black oxide finish for corrosion resistance
• Eliminates main cap walk and fretting
• Protects threads in the engine block
• Includes hardened parallel-ground washers
• Comes with high-quality nuts

Specifications

• Socket Size: 12mm 12-point, 4mm Allen
• Material: 8740 chromoly steel
• Finish: Black oxide
• Tensile Strength: 190,000 psi
• Thread Type: J-form threads
• Compatibility: 2-bolt main caps
• Drivetrain: RWD

Included Components

• 10x Main studs
• 10x Parallel-ground washers
• 10x 12-point nuts
• 1x ARP assembly lubricant
• 1x Installation instructions

Product Description

The ARP 203-5409 Main Stud Kit is designed for high-performance applications in the 2020-2025 Toyota Supra GR A90, equipped with the 3.0L B58 I6 engine. Ideal for enthusiasts seeking enhanced engine reliability and performance, this kit provides superior strength compared to OEM bolts.

Constructed from 8740 chromoly steel and heat-treated to 190,000 psi tensile strength, these studs offer exceptional durability. The precision J-form threads are rolled after heat treatment, creating threads that are 2000% stronger than standard studs. This design eliminates main cap walk and fretting, protecting the threads in your engine block.

The kit includes 10 main studs, 10 hardened parallel-ground washers, 10 high-quality nuts, ARP assembly lubricant, and installation instructions. The 12mm 12-point nuts require a 4mm Allen socket for installation. This comprehensive kit ensures a direct bolt-on application, making engine assembly easier and more precise.