HKS 23001-AM004 Stopper Head Gasket 8/9 1.2MM 86MM 8.5

( Brand: Hks ), ( Part Type: Gasket Stopper Head ), ( Manufacturer Part Number: 23001-AM004 ), ( Alt Mpn 1: Hks23001-am004 ), ( Average Delivery Time: 2-3 Days ), ( Package Weight: 1.3000 ), ( Package Length: 19.80 ), ( Package Width: 10.70 ), ( Package Height: 0.70 ), ( Manufacturer Warranty: 30 Days )

Review HKS 8/9 1.2mm Stopper Head Gasket 86mm Bore 8.5 fits EVO CR 2003–2006

The HKS 23001-AM004 03-06 Evo 8/9 1.2mm Stopper Head Gasket is a high-performance component designed specifically for Mitsubishi Lancer Evolution models from the 8th and 9th generations produced between 2003 and 2006. This gasket is a critical engine component that helps seal the combustion chambers, ensuring a proper seal between the engine block and the cylinder head.

This HKS gasket is made from a 1.2mm thick material, which is thicker than the original factory gasket, providing enhanced sealing capabilities and increased durability. The gasket's diameter measures 86mm, and it is designed to fit engines with an 8.5:1 compression ratio.

The HKS 23001-AM004 is a stopper type head gasket. This means that it has additional reinforcements or "stoppers" that help prevent the head from warping due to the increased cylinder pressure generated during high-performance driving. These stoppers ensure a more consistent and even compression across all cylinders, leading to improved engine performance and reliability.

This gasket is manufactured using a high-quality, heat-resistant material that can withstand the extreme temperatures and pressures encountered in high-performance applications. The material also ensures excellent sealing properties, preventing coolant and oil leaks.

Installing the HKS 23001-AM004 head gasket requires the engine to be disassembled, making it best suited for professional mechanics or experienced DIY enthusiasts. However, the added sealing capabilities and durability make it an excellent investment for those seeking to maximize the performance and reliability of their Mitsubishi Lancer Evolution 8 or 9.

In summary, the HKS 23001-AM004 03-06 Evo 8/9 1.2mm Stopper Head Gasket is a premium, high-performance component designed to provide enhanced sealing capabilities and increased durability for Mitsubishi Lancer Evolution 8 and 9 engines produced between 2003 and 2006. Its thicker material, 86mm diameter, and 8.5:1 compression ratio make it an ideal choice for those seeking to optimize the performance and reliability of their Evolution models.

HKS 23001-AM004 03-06 Evo 8/9 1.2mm Stopper Head Gasket: A Detailed Analysis

The HKS 23001-AM004 is a 1.2mm thick stopper head gasket designed for the Mitsubishi Lancer Evolution 8 and 9 models produced between 2003 and 2006. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this particular head gasket.

1. Enhanced Sealing: A thicker head gasket like the HKS 23001-AM004 can provide better sealing between the engine block and cylinder head, which is crucial for preventing coolant and oil leaks.

2. Durability: A high-quality head gasket from a reputable manufacturer like HKS is expected to last longer than an OEM gasket.

3. Performance Upgrades: Installing a thicker head gasket can be a part of engine upgrades, such as increasing boost pressure or running higher compression ratios, to ensure proper sealing and reliability.

1. Cost: Compared to the OEM head gasket, the HKS 23001-AM004 is more expensive. Therefore, the upgrade may not be suitable for those on a tight budget.

2. Complex Installation: Installing a thicker head gasket requires more precision and experience to avoid damaging the engine components during the installation process.

3. Potential for Thermal Stress: A thicker head gasket may introduce additional thermal stress on the engine, which can result in premature failure if not properly managed.

The HKS 23001-AM004 1.2mm stopper head gasket offers advantages such as enhanced sealing, durability, and compatibility with performance upgrades. However, it comes with disadvantages like a higher cost, complex installation, and potential thermal stress. Ultimately, the decision to purchase this head gasket depends on your budget, experience level, and desired engine performance.

If you are planning significant engine upgrades, seeking improved sealing, or have a history of coolant leaks, the HKS 23001-AM004 1.2mm stopper head gasket is a recommended option. However, if you are on a tight budget or have limited experience with engine work, it may be advisable to consider an OEM or aftermarket gasket with a lower thickness.

part # 23001am004 prices

• $350.31-$363.99

specifications frazzlekits:

• for models: Cr, Evo
• for years: 2003-2006
• brand: Hks
• part type: Gasket Stopper Head
• manufacturer part number: 23001-AM004
• alt mpn 1: Hks23001-am004
• average delivery time: 2-3 Days
• package weight: 1.3000
• package length: 19.80
• package width: 10.70
• package height: 0.70
• manufacturer warranty: 30 Days

offer frazzlekits:

• options: Ship-to-home
• availability: In Stock
• started: December 2, 2025
• sold: 0
• quantity: 3

payments frazzlekits:

• wallet: Paypal
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shipping frazzlekits:

• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• type: Calculated
• transit: 2-6 Days
• class: Standard
• carrier: FedEx

returns frazzlekits:

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

general frazzlekits:

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

seller frazzlekits:

• # reviews: 495446
• rating: 99.4%

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