ARP 2000 RB20 Head Studs (202-4309)
ARP CA18 Head Studs (202-4302)
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ARP CA18 Head Studs (202-4302) for Nissan CA18DE, CA18DET
Upgrade your Nissan CA18DE or CA18DET engine with the ARP CA18 Head Studs (202-4302), designed for superior performance and reliability. Crafted from 8740 Chrome Moly, these Pro series studs are cold-forged to ensure exceptional molecular integrity. Each stud is heat-treated before thread rolling and machining, achieving an impressive tensile strength of 190,000 psi.
These head studs are engineered to provide optimal clamping force, ensuring your engine's head gasket maintains a perfect seal under high-performance conditions. The kit includes 12-point nuts and hardened parallel washers, ensuring even load distribution and precise torque readings.
- Material: 8740 Chrome Moly
- Tensile Strength: 190,000 psi
- Includes 12-point nuts
- Hardened parallel washers for even load distribution
- Ensures accurate torque readings
Choose ARP CA18 Head Studs for unmatched durability and performance in your Nissan engine.
| Product Name | ARP CA18 Head Studs (202-4302) |
|---|---|
| Brands | ARP |
| Engine | CA18 |
| Make | Nissan |
Delivery & Freight
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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 CA18 head studs?
For the ARP CA18 head studs, it is crucial to follow ARP's latest torque specifications. Typically, you should torque the studs to around 75 ft-lb using ARP Ultra-Torque lubricant. Ensure you follow a proper torque sequence to achieve even clamping force.
Do I need to machine the cylinder head when installing ARP CA18 head studs?
While the ARP CA18 head studs are designed for a direct fit, it is advisable to ensure the cylinder head and block surfaces are flat and within OEM specifications. Any warping or damage may require machining to ensure a proper seal with the head gasket.
Can I reuse ARP CA18 head studs after disassembly?
ARP recommends against reusing head studs after they have been torqued. The material may have undergone deformation, which can compromise clamping force. For optimal performance and reliability, it’s best to use new studs for each assembly.
What benefits do the hardened parallel washers provide with the ARP CA18 head studs?
The hardened parallel washers included with the ARP CA18 head studs help distribute the load evenly across the cylinder head. This reduces the risk of head gasket failure and ensures accurate torque readings, which is vital for maintaining a proper seal under high-performance conditions.
Are the ARP CA18 head studs compatible with both CA18DE and CA18DET engines?
Yes, the ARP CA18 head studs (202-4302) are designed to be compatible with both the CA18DE and CA18DET engines. They provide the necessary strength and reliability for high-performance applications in either engine variant.
