Description
Part Number: AR8605
ARP Head Stud Kit for Honda K20 (AR8605 / 208-4701)
Engineered for high-boost forced induction and high-RPM race applications, providing maximum clamping force for Honda K20 engines.
Key Features
- ☑ Manufactured from premium grade 8740 chromoly alloy, heat-treated in-house to 200,000 PSI tensile strength.
- ☑ Precision centerless ground prior to threading to achieve near-perfect concentricity and alignment.
- ☑ Threads rolled after heat treatment for up to 1000% greater fatigue strength compared to standard fasteners.
- ☑ Eliminates head gasket failure and cylinder head lifting under severe cylinder pressure and high boost.
- ☑ Direct fitment for Honda / Acura K20A2, K20Z1, and K20Z3 performance builds.
Technical Specifications
| Brand | ARP / Brian Crower |
|---|---|
| Manufacturer Part Number (MPN) | AR8605 (ARP 208-4701) |
| Engine Compatibility | Honda / Acura K20A2, K20Z1, K20Z3 (2.0L i-VTEC) |
| Fastener Material | 8740 Chromoly Steel Alloy |
| Tensile Strength | 200,000 PSI |
| Nut Style | 12-Point High Tensile Nut |
What’s Included in the Box
- Complete Set of ARP 8740 Chromoly Cylinder Head Studs
- Precision Hardened Parallel-Ground Washers
- High-Strength 12-Point Fastener Nuts
- ARP Ultra-Torque Fastener Assembly Lubricant Packet
ARP is globally recognized as the gold standard in high-performance engine fasteners, trusted by world-class motorsport builders. At JP Racing, we maintain stock of genuine ARP hardware with fast UK delivery and expert technical support to keep your track or street vehicle performing reliably.
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