Description
Part Number: AR8704
ARP Honda H22 8740 Chromoly Main Stud Kit
Engineered for high-output Honda H22 and H22A 2.2L VTEC engines, the ARP AR8704 main stud kit delivers maximum bottom-end stability by eliminating main cap walk and fretting under extreme cylinder pressure.
Key Features & Performance Benefits
- ☑ Manufactured from premium 8740 chromoly steel alloy
- ☑ In-house heat treated to an exceptional 200,000 PSI tensile strength
- ☑ Precision J-form threads rolled after heat treatment for up to 1000% higher fatigue resistance
- ☑ Prevents main cap walk and fretting under forced induction or high-RPM motorsport use
- ☑ Protects original engine block threads and provides repeatable, accurate clamping loads
Technical Specifications
| Brand | ARP / Brian Crower |
|---|---|
| Part Number | AR8704 (ARP 208-5401) |
| Engine Fitment | Honda H22 / H22A / H22A1 / H22A4 (2.2L DOHC VTEC) |
| Material | 8740 Chrome Moly Steel |
| Tensile Strength | 200,000 PSI |
| Finish | Black Oxide |
What’s Included in the Box
- 10x ARP 8740 Chromoly Main Studs
- 10x High-Strength 12-Point Main Stud Nuts
- 10x Hardened Parallel-Ground Washers
- 1x Pack ARP Ultra-Torque Fastener Assembly Lubricant
As an authorised UK motorsport component stockist, JP Racing supplies genuine ARP performance fasteners engineered to withstand the most aggressive race conditions. Protect your engine investment with industry-leading fastener technology and fast UK mainland delivery.




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