ARP Main Stud Kit 203-5409 — Fits Toyota Supra B58B30 Engines

SKU: ARP203-5409
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...Read More

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Sale price$233.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ARP

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Reinforce Your B58 Powerhouse

The Toyota Supra B58B30 engine is a modern marvel of performance, but when pushing for higher horsepower levels, the factory main bolts can become a weak point. The ARP Main Stud Kit 203-5409 is the essential upgrade for any B58 owner looking to build a reliable, high-output engine. These studs are engineered to provide maximum clamping force, ensuring the main caps stay perfectly seated even under the extreme cylinder pressures generated by upgraded turbos and high-boost tunes.

Key Benefits for B58 Engines

  • Enhanced Clamping: Prevents main cap walk under high torque loads
  • Material: High-strength 8740 chromoly steel
  • Durability: Heat-treated for maximum fatigue resistance
  • Precision Fit: Designed specifically for the B58B30 block geometry
  • Complete Kit: Includes all necessary studs, nuts, and washers

Upgrading to ARP main studs is a standard practice for professional engine builders working on the B58 platform. By replacing the torque-to-yield factory bolts with these reusable, high-strength studs, you gain peace of mind and improved engine longevity. The increased clamping force ensures that your main bearings receive the support they need to handle the increased power output. Whether you are building a street monster or a dedicated track car, this kit is the foundation for a reliable bottom end. Get the best performance hardware for your Supra build right here at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About ARP

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Reinforce Your B58 Powerhouse

The Toyota Supra B58B30 engine is a modern marvel of performance, but when pushing for higher horsepower levels, the factory main bolts can become a weak point. The ARP Main Stud Kit 203-5409 is the essential upgrade for any B58 owner looking to build a reliable, high-output engine. These studs are engineered to provide maximum clamping force, ensuring the main caps stay perfectly seated even under the extreme cylinder pressures generated by upgraded turbos and high-boost tunes.

Key Benefits for B58 Engines

  • Enhanced Clamping: Prevents main cap walk under high torque loads
  • Material: High-strength 8740 chromoly steel
  • Durability: Heat-treated for maximum fatigue resistance
  • Precision Fit: Designed specifically for the B58B30 block geometry
  • Complete Kit: Includes all necessary studs, nuts, and washers

Upgrading to ARP main studs is a standard practice for professional engine builders working on the B58 platform. By replacing the torque-to-yield factory bolts with these reusable, high-strength studs, you gain peace of mind and improved engine longevity. The increased clamping force ensures that your main bearings receive the support they need to handle the increased power output. Whether you are building a street monster or a dedicated track car, this kit is the foundation for a reliable bottom end. Get the best performance hardware for your Supra build right here at GGCRACING.

Product Details

Product Description

About ARP

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Reinforce Your B58 Powerhouse

The Toyota Supra B58B30 engine is a modern marvel of performance, but when pushing for higher horsepower levels, the factory main bolts can become a weak point. The ARP Main Stud Kit 203-5409 is the essential upgrade for any B58 owner looking to build a reliable, high-output engine. These studs are engineered to provide maximum clamping force, ensuring the main caps stay perfectly seated even under the extreme cylinder pressures generated by upgraded turbos and high-boost tunes.

Key Benefits for B58 Engines

  • Enhanced Clamping: Prevents main cap walk under high torque loads
  • Material: High-strength 8740 chromoly steel
  • Durability: Heat-treated for maximum fatigue resistance
  • Precision Fit: Designed specifically for the B58B30 block geometry
  • Complete Kit: Includes all necessary studs, nuts, and washers

Upgrading to ARP main studs is a standard practice for professional engine builders working on the B58 platform. By replacing the torque-to-yield factory bolts with these reusable, high-strength studs, you gain peace of mind and improved engine longevity. The increased clamping force ensures that your main bearings receive the support they need to handle the increased power output. Whether you are building a street monster or a dedicated track car, this kit is the foundation for a reliable bottom end. Get the best performance hardware for your Supra build right here at GGCRACING.

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