ARP 1UZ-FE Main Studs
ARP 1JZ Main Studs (203-5405)
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ARP 1JZ Main Studs (203-5405)
Enhance the performance and reliability of your engine with the ARP 1JZ Main Studs (203-5405). These Pro series studs are meticulously engineered to provide superior strength and durability, making them an essential upgrade for high-performance applications. Cold-forged to ensure molecular integrity, these studs are heat-treated before thread rolling and machining, achieving an impressive tensile strength of 190,000 psi.
Designed for precision and reliability, the ARP 1JZ Main Studs come with 12-point nuts and are equipped with hardened parallel washers. This ensures even load distribution and accurate torque readings, crucial for maintaining engine integrity under extreme conditions.
- Cold-forged for enhanced molecular integrity
- Heat-treated for superior strength
- Rated at 190,000 psi tensile strength
- Includes 12-point nuts for secure fastening
- Comes with hardened parallel washers for even load distribution
Upgrade your engine with ARP's Pro series studs and experience unmatched performance and reliability.
| Product Name | ARP 1JZ Main Studs (203-5405) |
|---|---|
| Brands | ARP |
| Engine | 1JZ |
| Make | Toyota |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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What is the difference between ARP2000, L19 and CA625+?
ARP2000 suits most high-performance builds. L19 offers higher strength but is sensitive to handling and corrosion. CA625+ is used for extreme cylinder pressure or rpm.
Why is ARP lubricant important?
ARP torque values assume Ultra-Torque lubricant on threads and under the head. Without it, clamp load becomes unpredictable.
What are the torque specifications for the ARP 1JZ Main Studs?
For the ARP 1JZ Main Studs, it's crucial to follow ARP's latest torque specifications. Typically, you should torque the main studs to around 80 ft-lb using ARP Ultra-Torque lubricant. Always verify with the latest ARP guidelines to ensure accuracy.
Do I need to line bore the main caps when installing the ARP 1JZ Main Studs?
Yes, after installing the ARP 1JZ Main Studs, it is advisable to line bore the main caps. This ensures proper alignment and fitment, which is critical for maintaining engine integrity, especially in high-performance applications.
Can I use the ARP 1JZ Main Studs with stock main caps?
Yes, the ARP 1JZ Main Studs are designed to work with stock main caps. However, ensure that the caps are in good condition and properly torqued to avoid any issues under high-stress conditions.
What benefits do the hardened parallel washers provide with the ARP 1JZ Main Studs?
The hardened parallel washers included with the ARP 1JZ Main Studs help distribute the load evenly across the main cap surface. This reduces the risk of deformation and ensures accurate torque readings, which is essential for maintaining the reliability of your engine under high-performance conditions.
What is the tensile strength of the ARP 1JZ Main Studs?
The ARP 1JZ Main Studs have an impressive tensile strength of 190,000 psi. This high strength is achieved through cold-forging and heat treatment, making them suitable for demanding performance applications.
