ARP

ARP Head Stud Kit Chromoly Black 12-Point Nuts for Nissan RB25 2.5L 6-Cylinder

Part # 202-4309 SKU ARP202-4309

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$238.99
$234.99
You save $4.00 )
In stock, ships from a US warehouse
SKU: ARP202-4309
UPC: 672036043544
Width: 4.00 (in)
Height: 8.00 (in)
Depth: 2.00 (in)
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Shipping
Free, US only. Arrives in 2–4 days.
Returns
30-day returns. Wrong fit? Our team is here 24/7. Details
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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.

Specifications

Identification
BrandARP
Part number202-4309
SKUARP202-4309
UPC672036043544
Dimensions and weight
Dimensions (W × H × D)4.00 × 8.00 × 2.00 in
Material and finish
Material8740 Chromoly Steel
Series and warranty
SeriesHigh Performance
Details
Allen broach size3/16 in
Engine applicationNissan RB25 2.5L Inline-6
Fastener typeHead Stud Kit
Head size5/8 in
Nut style12-Point
Prop 65 warningWarning applies
Surface finishBlack Oxide
Washers includedYes (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.

ARP Head Stud Kit Chromoly Black 12-Point Nuts for Nissan RB25 2.5L 6-Cylinder
ARP Head Stud Kit Chromoly Black 12-Point Nuts for Nissan RB25 2.5L 6-Cylinder
$238.99
$234.99
You save $4.00 )
In stock · free shipping

Not sure about this part? Ask us.

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