ARP Head Stud Kit Chromoly Black 12-Point Nuts for Nissan RB25 2.5L 6-Cylinder
Part # 202-4309 SKU ARP202-4309
Highlights
- Allen broach size
- 3/16 in
- Engine application
- Nissan RB25 2.5L Inline-6
- Fastener type
- Head Stud Kit
- Head size
- 5/8 in
- Material
- 8740 Chromoly Steel
- Nut style
- 12-Point
- Prop 65 warning
- Warning applies
- Surface finish
- Black Oxide
- Washers included
- Yes (Hardened, Parallel-Ground)
Description
ARP Head Stud Kit Chromoly Black 12-Point Nuts for Nissan RB25 2.5L 6-Cylinder
The ARP Head Stud Kit is a precision-engineered component designed specifically for the Nissan RB25 2.5L 6-cylinder engine. Constructed with high-quality chromoly steel, ARP’s commitment to durability and performance ensures that these head studs provide superior clamping force, which is critical in high-performance applications. Whether you're on the track or pushing your engine to its limits, the integrity of your head gasket and cylinder head sealing is paramount. ARP head studs are crafted to withstand the extreme pressures and temperatures found in demanding automotive environments.
By replacing the stock head bolts with ARP head studs, you're not just enhancing strength; you’re also contributing to the reliability of your engine. The design features a 12-point nut that allows for more accurate torque applications and improved even clamping across the cylinder head. This means you can achieve a better seal and minimize the risk of blown head gaskets, which is a common issue in modified engines. The black finish not only adds a sleek aesthetic but also provides a layer of corrosion resistance for prolonged life under harsh conditions.
FITMENT:
This head stud kit is specifically designed to fit the Nissan RB25 2.5L 6-cylinder engine. It is compatible with various RB25 applications and is recommended for both stock and built engines where improved head sealing and reliability are necessary.
Key Features & Benefits
- Manufactured from high-quality chromoly steel for maximum strength and durability.
- 12-point nuts provide precise torque settings and even clamping pressure.
- Black finish enhances aesthetics while offering corrosion resistance.
- Improved sealing and reduced risk of head gasket failure in high-performance applications.
- Ideal for both street and racing applications, ensuring reliability under extreme conditions.
Vehicle fitment
| Make | Model | Submodel | Years |
|---|
No vehicle matches that filter.
Fitment data from the manufacturer catalogue. Check your engine before ordering, or call us.
Specifications
| Identification | |
|---|---|
| Brand | ARP |
| Part number | 202-4309 |
| SKU | ARP202-4309 |
| UPC | 672036043544 |
| Dimensions and weight | |
| Dimensions (W × H × D) | 4.00 × 8.00 × 2.00 in |
| Material and finish | |
| Material | 8740 Chromoly Steel |
| Series and warranty | |
| Series | High Performance |
| Details | |
| Allen broach size | 3/16 in |
| Engine application | Nissan RB25 2.5L Inline-6 |
| Fastener type | Head Stud Kit |
| Head size | 5/8 in |
| Nut style | 12-Point |
| Prop 65 warning | Warning applies |
| Surface finish | Black Oxide |
| Washers included | Yes (Hardened, Parallel-Ground) |
Shipping and returns
Shipping. Free on every order, US only. Orders arrive in 2–4 days.
Returns. 30-day returns, except in extreme cases.
Support. Our team is available 24/7 for fitment mismatches or any other reason.
Warranty. Full manufacturer guarantee.
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Fitment, install, what else you need for the job. A parts person answers, usually within one business day.
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