Description
Part Number: AR8603
ARP Cylinder Head Stud Kit – Honda B20 Block w/ B16A Head (B20 VTEC / LS VTEC)
High-tensile 8740 chromoly head stud kit engineered specifically for Honda B20 / LS VTEC hybrid engine builds.
Key Product Features
- ☑ Engineered for B-Series Hybrids: Specifically configured to mate a Honda B20B / B20Z (or B18A/B) engine block with a B16A or B18C VTEC cylinder head.
- ☑ 8740 Chromoly Steel Construction: Premium aircraft-grade 8740 alloy heat-treated to 200,000 PSI tensile strength for maximum fatigue resistance.
- ☑ Precision Thread Rolling: Threads are rolled post heat-treatment to deliver up to ten times greater fatigue strength than standard cut threads.
- ☑ Maximum Clamping Force: Prevents cylinder head lifting and blown head gaskets under high RPM, elevated compression, turbochargers, or superchargers.
- ☑ Complete Hardware Package: Includes 10 studs, 10 12-point nuts, 10 hardened parallel ground washers, and ARP Ultra-Torque assembly lubricant.
Technical Specifications
| Brand | ARP / Brian Crower |
|---|---|
| Manufacturer Part Number | AR8603 (ARP 208-4306) |
| Engine Application | Honda B20 Block with B16A / B18C VTEC Head (B20 / LS VTEC Hybrid) |
| Material Grade | 8740 Chromoly Steel |
| Tensile Strength | 200,000 PSI |
| Nut Style | 12-Point Hex Nut |
| Finish | Black Oxide |
What’s Included in the Box
- 10x ARP 8740 Chromoly Cylinder Head Studs
- 10x ARP 12-Point Fastener Nuts
- 10x ARP Hardened Parallel-Ground Washers
- 1x Packet of ARP Ultra-Torque Fastener Assembly Lubricant
Engineered for extreme performance applications, ARP head studs are trusted worldwide by top motorsport engine builders. Ensure optimum cylinder sealing for your B-series engine project. Order your genuine ARP AR8603 kit today from JP Racing with fast UK delivery and expert customer support.
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