Description
Part Number: AR8702
ARP Honda B18A / B18B Main Stud Kit
Engineered for high-horsepower and high-RPM Honda B-series builds, providing ultimate bottom-end main cap stability and preventing block thread failure.
Key Performance Features
- ☑ Manufactured from premium 8740 chrome-moly steel alloy, heat-treated in-house to 200,000 PSI tensile strength.
- ☑ Precision J-form threads rolled after heat treatment for 1000% greater fatigue strength over standard OEM bolts.
- ☑ Eliminates main cap walk, fretting, and flexing under high cylinder pressure and forced induction.
- ☑ Protects delicate aluminum engine block threads by eliminating thread movement during torquing.
- ☑ Kit includes hardened parallel-ground washers and high-strength 12-point nuts for precise clamping torque.
Technical Specifications
| Brand | ARP / Brian Crower |
|---|---|
| Part Number | AR8702 (ARP #208-5404) |
| Material | 8740 Chromoly Steel |
| Tensile Strength | 200,000 PSI |
| Fastener Style | Main Cap Studs |
| Nut Style | 12-Point High Performance Nuts |
| Compatible Engines | Honda / Acura B18A, B18A1, B18B, B18B1 |
What’s Included in the Box
- Complete set of ARP 8740 main studs for Honda B18A/B
- Hardened parallel-ground steel washers
- Precision 12-point chromoly main cap nuts
- ARP Ultra-Torque assembly lubricant packet
Built for the most demanding motorsport environments, Automotive Racing Products (ARP) sets the industry standard for engine fastener strength and reliability. At JP Racing, we maintain direct UK stock of genuine ARP hardware to ensure rapid dispatch and expert support for your high-performance engine assembly projects.
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