ARP 1UZ-FE Head studs
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ARP 1UZ-FE Head Studs
Upgrade your engine's performance with the ARP 1UZ-FE Head Studs, designed for superior strength and reliability. These Pro series studs are meticulously cold-forged to maintain molecular integrity, ensuring exceptional durability. Each stud undergoes a rigorous heat-treatment process before thread rolling and machining, achieving an impressive tensile strength of 190,000 psi.
Engineered for precision, the ARP 1UZ-FE Head Studs come with 12-point nuts and are equipped with hardened parallel washers. This ensures even load distribution and accurate torque readings, making them an ideal choice for high-performance applications.
- Cold-forged for enhanced molecular integrity
- Heat-treated for maximum strength
- Rated at 190,000 psi tensile strength
- Includes 12-point nuts for secure fastening
- Hardened parallel washers for even load distribution
Choose ARP 1UZ-FE Head Studs for unmatched performance and reliability in your engine build.
| Product Name | ARP 1UZ-FE Head studs |
|---|---|
| Brands | Spool |
| Engine | 1UZ-FE |
| 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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Disclaimer:
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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 is the recommended torque specification for the ARP 1UZ-FE head studs?
For the ARP 1UZ-FE head studs, follow ARP's latest instructions for the most accurate torque specifications. Generally, you will be looking at around 75 ft-lb for the 12-point nuts when using ARP Ultra-Torque lubricant. Always ensure to check for any specific requirements based on your engine build.
Do I need to machine the cylinder head or block when installing ARP 1UZ-FE head studs?
While the ARP 1UZ-FE head studs are designed for a direct fit, it is crucial to ensure that the cylinder head and block surfaces are flat and properly machined. Any warping or damage may require resurfacing to achieve a proper seal and prevent head gasket failure.
Can I reuse ARP 1UZ-FE head studs after removing them?
ARP recommends against reusing head studs after they have been torqued. The studs can stretch and lose their clamping force, which may lead to engine failure. For optimal reliability, always use new head studs when reassembling the engine.
What are the benefits of using hardened parallel washers with the ARP 1UZ-FE head studs?
The hardened parallel washers included with the ARP 1UZ-FE head studs help to distribute the load evenly across the surface of the cylinder head. This ensures accurate torque readings and reduces the risk of deformation, contributing to a more reliable seal and overall engine performance.
