ARP 1FZ Head Studs (ARP8740)
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ARP 1FZ Head Studs (ARP8740)
Upgrade your engine's performance with the ARP 1FZ Head Studs (ARP8740), designed for superior strength and reliability. These Pro series studs are meticulously cold-forged to maintain molecular integrity, ensuring exceptional durability. With a heat treatment process completed before thread rolling and machining, these studs boast an impressive tensile strength of 190,000 psi, making them ideal for high-performance applications.
Each kit includes:
- Pro series studs with 12-point nuts for enhanced clamping force
- Hardened parallel washers for even load distribution
- Accurate torque readings for optimal engine performance
Choose ARP 1FZ Head Studs for a reliable and robust solution to your engine's needs, ensuring peak performance and longevity.
| Product Name | ARP 1FZ Head Studs (ARP8740) |
|---|---|
| Brands | Spool |
| Engine | 1FZ-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:
Product images are for description purposes only. Actual product may vary.
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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 1FZ head studs?
For the ARP 1FZ head studs, it is crucial to follow ARP's latest instructions for torque specifications. Typically, you should aim for around 80 ft-lb when using ARP Ultra-Torque lubricant, but always verify with the latest guidelines.
Do I need to machine the cylinder head when installing ARP 1FZ head studs?
Before installing the ARP 1FZ head studs, ensure that the cylinder head and block surfaces are flat and free of any debris. Depending on the engine's condition, you may need to machine the surfaces to achieve the correct RA finish for optimal sealing.
Can I reuse ARP 1FZ head studs after disassembly?
ARP recommends against reusing head studs, as they may not maintain their clamping force after being torqued. For best results, always use new studs when reassembling the engine to ensure reliability and performance.
What additional components should I consider when using ARP 1FZ head studs?
When using ARP 1FZ head studs, consider upgrading to a high-performance head gasket and ensuring that your cylinder head is properly prepared. Additionally, check that your engine's cooling system is capable of handling the increased performance to avoid overheating.
