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This ARP performance fastener, stud, bolt, tool, or assembly is the Toyota Supra B58B30 12pt Head Stud Kit. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.
Key Features
- ARP2000 Alloy Construction: Forged from proprietary ARP2000 material with 220,000 psi tensile strength for extreme durability under high cylinder pressures.
- 12-Point Nuts: Precision-machined 12-point nuts ensure accurate torquing and resist loosening during aggressive driving or track use.
- Complete Kit Contents: Includes 10 main studs 2 auxiliary studs hardened washers and 12-point nuts for full head fastener replacement.
- Rolled Threads: Superior thread rolling process increases fatigue strength by up to 1000% over cut threads for long-term reliability.
- Black Oxide Finish: Corrosion-resistant coating protects against rust in harsh engine environments while maintaining precise fit.
- Replaces OEM TTY head bolts includes all necessary hardware for direct fit.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| Universal or specification-matched application. Verify every dimension, interface, load or operating requirement, and listing note. | |||
Specifications
| Brand | ARP |
|---|---|
| Manufacturer Part Number | 203-4705 |
| Product Type | Head Stud & Bolt Kits |
| Condition | New |
| Configuration | Toyota Supra B58B30 12pt Head Stud Kit |
| ARP2000 Alloy Construction | Forged from proprietary ARP2000 material with 220,000 psi tensile strength for extreme durability under high cylinder pressures |
| 12-Point Nuts | Precision-machined 12-point nuts ensure accurate torquing and resist loosening during aggressive driving or track use |
| Rolled Threads | Superior thread rolling process increases fatigue strength by up to 1000% over cut threads for long-term reliability |
| Complete Kit Contents | Includes 10 main studs 2 auxiliary studs hardened washers and 12-point nuts for full head fastener replacement |
| Black Oxide Finish | Corrosion-resistant coating protects against rust in harsh engine environments while maintaining precise fit |
| Q | Will this fit my 2022 Toyota GR Supra 3.0L? A: Yes it fits all 2020-2024 GR Supra models equipped with the B58B30 3.0L turbocharged inline-6 engine |
| Method | UPS Ground or FedEx Ground |
| Availability | In stock - ships same or next business day |
| Packaging | Secure foam-packed box 12 x 8 x 2.5 inches |
| Weight | 2.65 lbs net 3.1 lbs shipping |
| Features ARP2000 Alloy Construction | Forged from proprietary ARP2000 material with 220,000 psi tensile strength for extreme durability under high cylinder pressures 12-Point |
What's Included
One new ARP head stud & bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.
About ARP
Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.
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Frequently Asked Questions
How do I confirm the Toyota Supra B58B30 12pt Head Stud Kit fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.
Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP's current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.
What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.
Installation Instructions
- Confirm ARP part number 203-4705, the complete application, and every required supporting component before beginning work.
- Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
- Follow ARP's current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
- Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.
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