| Year | Make | Model |
|---|---|---|
| 1993 - 1998 | Toyota | Supra Twin Turbo |
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ARP Main Stud Kit | Toyota 2JZA80 (203-5405)
ARP Main Stud Kit | Toyota 2JZA80 (203-5405)
SKU:203-5405
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$161.80 USD
Regular price
$177.47 USD
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$161.80 USD
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The ARP Main Stud Kit for Toyota 2JZA80 is a high-performance upgrade designed to improve engine strength and reliability. Specifically engineered for the Toyota Supra MK4 produced between 1990 and 2002, this kit replaces the stock main bolts with ARP's renowned main studs, offering increased clamping force and enhanced durability under demanding conditions. Constructed from high-quality materials, these studs ensure superior resistance to stretching and fatigue, making them ideal for high-horsepower builds, track use, or daily driving with increased stress on the engine. The kit provides a robust solution for enthusiasts seeking to maximize engine integrity and performance.
This main stud kit is compatible with 1990–2002 Toyota Supra MK4 models equipped with the 2JZ-GTE engine. It serves as a direct replacement for the factory main bolts, offering a bolt-on upgrade that enhances engine sealing and stability. Designed for performance applications, it is suitable for street, track, or high-performance builds. The kit includes all necessary studs and hardware for installation, ensuring a secure fitment. Proper installation ensures improved engine reliability and longevity, especially in high-stress or high-horsepower scenarios.
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Overview
Overview
ARP Main Stud Kit
Toyota 2JZA80 1990–2002
Part #: 203-5405
Overview
The ARP Main Stud Kit for Toyota 2JZA80 is a high-performance upgrade designed for enthusiasts seeking enhanced engine reliability and strength. Engineered specifically for the Toyota Supra MK4 (1990–2002), this kit replaces the factory main bolts with ARP's legendary main studs, providing superior clamping force and durability. Whether you're building a high-horsepower street machine, a track-ready Supra, or a robust daily driver, this kit ensures your engine's bottom end remains secure under demanding conditions.
Designed with precision and quality in mind, the ARP Main Stud Kit helps support increased horsepower and torque by maintaining consistent main cap alignment and reducing the risk of head gasket failure. Its robust construction makes it an ideal choice for performance applications where strength and reliability are paramount.
Key Features
The ARP Main Stud Kit incorporates advanced materials and manufacturing processes to deliver unmatched strength and durability. Key features include:
- Manufactured from ARP2000® alloy steel, which is centerless ground, heat-treated, and machined to exact specifications for maximum strength and consistency.
- Rated at 220,000 psi tensile strength, offering approximately 50% more strength than OEM main bolts, ensuring your engine can handle increased power levels.
- Includes (14) ARP2000 main studs, (14) chrome moly steel 12-point nuts, and washers, providing a complete installation solution.
- Precision thread rolling and machining processes ensure accurate fitment and reliable performance.
- Designed for easy installation with standard tools, making it suitable for both professional engine builders and experienced enthusiasts.
Construction & Design
The ARP Main Stud Kit features studs made from ARP2000® alloy steel, a material known for its exceptional strength and fatigue resistance. Each stud is centerless ground to ensure a smooth surface finish, which promotes precise thread engagement and reduces the risk of galling or thread damage. The heat treatment process enhances tensile strength, allowing these studs to withstand the rigors of high-performance applications.
The included chrome moly steel nuts are engineered for high clamping force and durability, with 12-point design for easy wrench access in tight engine bays. Washers are included to distribute load evenly and prevent nut loosening during operation. This comprehensive kit ensures a secure, reliable connection between the main caps and the engine block, critical for maintaining proper bearing alignment and engine integrity under high stress.
Performance & Reliability
By replacing the OEM main bolts with ARP's high-strength studs, you gain a more consistent and secure main cap clamping force. This upgrade helps support increased horsepower and torque, especially in boosted or high-revving setups. The superior tensile strength and precise manufacturing reduce the risk of main cap movement or failure, which can lead to catastrophic engine damage.
Installation & Fitment
The ARP Main Stud Kit is designed for straightforward installation using standard hand tools. No special modifications or machining are required, making it a popular choice for engine rebuilds and performance upgrades. Proper torque specifications should be followed as per ARP's instructions to ensure optimal clamping force and engine reliability. Always verify your engine's specifications and consult a professional if unsure about installation procedures.
- Complete kit includes all necessary studs, nuts, and washers for a full main cap upgrade.
- Installation typically involves removing the crankshaft and main caps, replacing the bolts with studs, and torquing to manufacturer specifications.
What's Included
- (14) ARP2000 main studs
- (14) chrome moly steel 12-point nuts
- Washers
- ARP Ultra-Torque fastener lubricant
Ideal For
- High-performance Toyota 2JZA80 engines
- Engine rebuilds and upgrades for increased strength
- Boosted applications and high-horsepower builds
- Enthusiasts seeking reliable, long-lasting fasteners for demanding driving conditions
Emissions Note
This product is designed for off-road or racing use only and may not be legal for use on pollution-controlled vehicles in all areas. Please verify local regulations before installation.
