SUBARU 11063AB120 Lh Cylinder Head

( Manufacturer Part Number: 11063AB120 ), ( Type: Cylinder Head Casting ), ( Material: Aluminum ), ( Vintage Part: No )

Review SUBARU Lh Drivers Side Cylinder Head Casting fits LEGACY B25 STI 2004–2006

Subaru 11063AB120 04-06 LH B25 Cylinder Head STI - Performance Enhancement for Your Subaru Impreza WRX STI

The Subaru 11063AB120 04-06 LH B25 Cylinder Head, designed specifically for the Subaru Impreza WRX STI, is a testament to Subaru's commitment to engineering high-performance components. This replacement cylinder head is an essential upgrade for enthusiasts seeking to enhance the power output and overall performance of their STI.

Manufactured with precision, this cylinder head is engineered to fit perfectly in your 2004-2006 Subaru Impreza WRX STI (LH configuration). It is designed to replace the original equipment, ensuring a seamless integration into your vehicle's engine. The B25 engine designation signifies its compatibility with the EJ257 engine, which powers the Impreza WRX STI.

The Subaru 11063AB120 cylinder head is renowned for its durability and reliability. It features enhanced cooling systems and improved port design for optimal air and fuel mixture flow. This results in increased combustion efficiency, leading to more power and torque. The cylinder head's robust construction also ensures it can withstand the rigors of high-performance driving, making it ideal for track day enthusiasts or those looking to unleash the full potential of their STI on the street.

In addition to its performance benefits, this Subaru cylinder head is also designed with aesthetics in mind. Its sleek and modern design complements the aggressive look of the Impreza WRX STI, making it a stylish upgrade as well as a functional one.

Upgrading your Subaru Impreza WRX STI with the Subaru 11063AB120 04-06 LH B25 Cylinder Head not only enhances its power and performance but also adds a touch of exclusivity to your vehicle. Whether you're a seasoned racer or a casual driver looking to add a personal touch to your STI, this cylinder head is an excellent choice. So, elevate your driving experience with this top-tier component from Subaru and experience the thrill of unleashed power.

The Subaru 11063AB120 04-06 LH B25 Cylinder Head STI is a high-performance OEM part, commonly used in Subaru Impreza WRX STI models. Here are the pros and cons of buying this cylinder head:

1. High-Quality OEM Part: This cylinder head is an original equipment manufactured (OEM) part from Subaru, ensuring it matches the original specifications and quality.

2. Enhanced Performance: The B25 cylinder head is designed for high-performance applications, offering improved power and torque compared to standard cylinder heads.

3. Durability: Subaru parts are known for their durability and reliability, which should translate to the B25 cylinder head.

4. Fit and Function: As an OEM part, the cylinder head should fit perfectly in your WRX STI and function as intended, reducing potential issues with compatibility or performance.

1. Cost: OEM parts, especially high-performance ones like the B25 cylinder head, tend to be more expensive than aftermarket alternatives.

2. Availability: Due to its specificity, the B25 cylinder head may be less readily available compared to more common parts, potentially making it harder to find and causing delays in repairs.

3. Limited Upgrade Opportunities: Since the B25 cylinder head is already a high-performance part, there may be limited opportunities for further upgrades or modifications.

If you're looking to maintain or enhance the performance of your Subaru Impreza WRX STI and want a part that guarantees a perfect fit and function, the Subaru 11063AB120 04-06 LH B25 Cylinder Head STI could be an excellent choice. However, consider the cost and potential limited upgrade opportunities before making your decision. If you're on a tighter budget or looking for more upgrade potential, an aftermarket alternative might be more suitable.

Details:

Pulling the oil galley plugs and flushing passageways is recommended. Part shows minor cosmetic signs of use as shown in the listing images. Cam Cap hardware included except two bolts are missing. No cracks around the spark plug tube holes and cam bearing surfaces show only minor wear.

Part taken from a EJ255 Engine. Vehicle Fitment. Good used OEM cylinder head that has been given an initial cleaning in ultrasonic parts cleaner. Deck surface is flat within 0.0015 when checked with a machinist straight edge see last image but buyer to decide if decking necessary.

Main casting and Cam Caps are all marked as a matched set. Part Number - 11063AB120 LH Drivers Side B25 Cylinder Head Casting Bare casting only as shown in the images.

part #: 11063ab120 prices

• $599.99-$638.55

specifications cylinderheapar:

• for models: B25, Sti, Legacy
• for makes: Subaru
• for years: 2004-2006
• mpn: 11063ab120
• type: Cylinder Head Casting
• material: Aluminum
• vintage part: No

seller cylinderheapar:

• rating: 100.0%
• city: Brighton, Michigan
• # reviews: 585

offer cylinderheapar:

• quantity: 1
• availability: In Stock
• started: April 8, 2025
• sold: 0
• options: Ship-to-home

shipping cylinderheapar:

• type: Fixed
• cost: $50.00
• class: Standard
• carrier: USPS
• transit: 3-8 Days
• service: USPS Ground Advantage

returns cylinderheapar:

• policy: Returns Accepted
• time: 14 Days
• paid by: Buyer

payments cylinderheapar:

• other
• wallet: Apple-pay
• credit card: Diners-club

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

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