SKU: 203-4706 | UPC: 672036650667
ARP Toyota Supra B58 CA625+ Head Stud Kit 2020-2024
ARP head stud kit 203-4706 replaces factory head bolts on Toyota GR Supra models with B58 3.0L turbo engine. Designed for 2020-2024 Supra vehicles this kit secures the cylinder head under high cylinder pressures from turbo upgrades and nitrous applications. It maintains precise torque values in demanding racing conditions.
Key Features
- ARP625+ Alloy: Forged material with 260000 psi tensile strength resists stretching and fatigue in high-boost setups.
- Pro Series Design: Includes 11 main studs M12x1.5x242mm 9 auxiliary studs M11x1.5x195mm 12-point nuts and hardened parallel washers for complete assembly.
- Hard Chrome Finish: Provides corrosion resistance and reduces galling during installation and repeated removal.
- Precision Threads: Rolled threads ensure accurate torque and repeatable clamping load on aluminum heads.
- USA Made: Manufactured to ARP exacting standards for consistent quality in every kit.
Product Notes
- Torque studs to ARP specifications using ARP Ultra-Torque lubricant for peak performance.
- Inspect head gasket surface flatness before installation to avoid leaks.
- Packaged in protective tube to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Remove cylinder head and clean threads in block thoroughly before installing studs.
- Use ARP moly or Ultra-Torque lube on threads and under nut faces excludes washers.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2024 | Toyota | GR Supra | 3.0L Turbo B58 |
| 2020-2024 | Toyota | Supra | 3.0 Premium B58 |
Why Choose ARP?
- Decades of use in NHRA Top Fuel and NASCAR engines prove durability.
- Every component undergoes rigorous testing for strength and reliability.
- Engineered threads and heat treatment deliver consistent clamping force.
Frequently Asked Questions
- Q: Will this kit fit my 2022 Toyota GR Supra 3.0L?
A: Yes ARP 203-4706 fits all 2020-2024 GR Supra models equipped with BMW B58 3.0L turbo engine direct OEM replacement. - Q: What material are the studs made from?
A: ARP625+ custom age 625 alloy with 260000 psi tensile strength and 74 Rockwell C surface hardness for extreme duty. - Q: What is the warranty on this head stud kit?
A: ARP offers limited lifetime warranty against manufacturing defects when installed and torqued per instructions.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard tube inside shipping box 12in x 7in x 2.5in
- Weight: 2.10 lbs
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