HKS 2301-RN039 Bead Headgasket SR20 1.2MM

( Brand: Hks ), ( Average Delivery Time: 3-4 Days ), ( Manufacturer Warranty: 30 Days ), ( Package Height: 0.47 ), ( Manufacturer Part Number: 2301-RN039 ), ( Alt Mpn 1: Hks2301-rn039 ), ( Package Length: 19.50 ), ( Package Width: 9.90 ), ( Package Weight: 1.2000 ), ( Part Type: Exhaust Muffler Parts )

Review HKS 1.2mm Bead Headgasket

The HKS 2301-RN039 SR20 1.2mm bead gasket is a high-performance replacement component designed for the Subaru Impreza WRX and STI models equipped with the SR20 engine. This gasket is manufactured by HKS, a renowned name in the automotive aftermarket industry, known for producing top-tier performance parts.

This particular gasket is a bead-type design, which provides enhanced sealing performance by utilizing a special bead design on the edge of the gasket. The beads create a tight seal between the cylinder head and the engine block, reducing the chances of combustion gases leaking out and pressurized coolant or oil leaking in. This is crucial for maintaining engine performance and preventing costly damages.

The HKS 2301-RN039 is specifically designed for the 1.2mm head gasket thickness, which is commonly used in high-performance applications. The increased thickness helps to withstand the elevated pressures and temperatures generated during aggressive driving conditions, ensuring the engine's reliability and longevity.

The gasket is made from a high-quality, heat-resistant material that can withstand the extreme temperatures encountered in the engine compartment. This ensures consistent sealing performance even under the most demanding conditions.

The HKS 2301-RN039 is a direct replacement for the OEM gasket, ensuring easy installation. It is designed to fit perfectly on the SR20 engine, eliminating the need for any modifications or engine machining. This can save you time and money compared to other, more complex gasket solutions.

In summary, the HKS 2301-RN039 SR20 1.2mm bead head gasket is a high-performance replacement component designed to provide enhanced sealing performance and reliability for the Subaru Impreza WRX and STI models equipped with the SR20 engine. Its bead design, high-quality materials, and direct fit make it an excellent choice for those seeking improved engine performance and durability.

The HKS 2301-RN039 SR20 1.2mm bead head gasket is a popular choice among car enthusiasts for high-performance applications. Here are some pros and cons of buying this gasket:

1. Enhanced sealing: The HKS 2301-RN039 gasket provides improved sealing compared to the OEM gasket, which is essential for increased engine performance and power.

2. Better compatibility: This gasket is designed specifically for the SR20 engine, ensuring a perfect fit and reducing the likelihood of leaks.

3. Durability: The HKS gasket is made of high-quality materials, making it more durable than the OEM gasket and capable of handling the increased pressures and temperatures of a high-performance engine.

4. Reduced compression loss: The 1.2mm thickness of the gasket helps reduce compression loss, which can lead to improved engine efficiency and power output.

1. Cost: The HKS gasket is more expensive than the OEM gasket. However, the added performance benefits may justify the cost for some enthusiasts.

2. Installation: Installing the HKS gasket may require more time and expertise compared to the OEM gasket due to its thicker design and special coating.

3. Special tools: Some installation kits may require special tools to properly install the gasket, which can add to the overall cost.

The HKS 2301-RN039 SR20 1.2mm bead head gasket is an excellent choice for car enthusiasts looking to improve their engine's performance and durability. While it may come with a higher cost and more complex installation process, the benefits it provides, such as enhanced sealing, improved compatibility, and reduced compression loss, make it worth considering. Ultimately, the decision to purchase this gasket depends on your specific needs, budget, and technical expertise.

If you are planning to build a high-performance SR20 engine and are looking for a reliable and durable gasket, the HKS 2301-RN039 SR20 1.2mm bead head gasket is a solid choice. However, it is important to ensure that you have the necessary tools and expertise to install it properly to avoid any potential issues. Additionally, consider weighing the benefits against the cost to determine if it is the right investment for your project.

part # 2301rn039 prices

• $214.76-$449.00

specifications frazzlekits:

• brand: Hks
• average delivery time: 3-4 Days
• manufacturer warranty: 30 Days
• package height: 0.47
• manufacturer part number: 2301-RN039
• alt mpn 1: Hks2301-rn039
• package length: 19.50
• package width: 9.90
• package weight: 1.2000
• part type: Exhaust Muffler Parts

returns frazzlekits:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

shipping frazzlekits:

• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• transit: 3-5 Days
• class: Standard
• type: Calculated
• cost: $0.00

general frazzlekits:

• Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
• condition: New

offer frazzlekits:

• availability: In Stock
• started: June 1, 2026
• options: Ship-to-home
• quantity: 4
• sold: 0

seller frazzlekits:

• # reviews: 531019
• rating: 99.7%

payments frazzlekits:

• credit card: Diners-club
• other
• wallet: Paypal

Hks 2301-RN039 Is Similar To:

• Hks 11116-153195 87-92 Supra Mk3 1.2mm Bead Headgasket (69.5% similar) $150.00–$158.99. (August 29th, 2025)