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Item #:
31511415
Head Stud Kit for Subaru Impreza WRX STi EJ20 2.0L & EJ25 2.5L DOHC Engines - Xotic PerformanceTM CP882
Item #:
31511415
MMK 1026435
Price Details
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Imported from USA store
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Order now and get it around Thursday, July 09
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What Stands Out
Enhanced Durability
Crafted with high-quality materials, this head stud kit ensures superior strength and reliability, addressing common engine failure issues in Subaru models.
Performance Optimization
Designed specifically for Subaru Impreza WRX STi engines, it significantly improves torque capacity, enabling higher performance and stability under extreme conditions.
Complete Installation Kit
This comprehensive kit includes all necessary components for easy installation, saving time and providing a hassle-free upgrade for enthusiasts and professionals alike.
Product Details
- Direct fit replacement for Subaru Impreza WRX & STI TURBO EJ20 2.0L and EJ25 2.5L DOHC Turbo Engines
- Ultra strength with XOTIC 7200 material properties rated at 220,000 psi tensile strength
- Easy installation with broached stud ends and included installation manual with diagrams
- Reduces the risk of head gasket failure, especially in high-performance or boosted applications
- Kit includes 12x head studs, nuts, hardened parallel washers, socket, Allen wrench, lubricant, and manual
- Black oxide finish protects against wear and tear
| Item Weight | 3 lbs (1.36 kg) |
Who Should Buy?
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Performance Enthusiasts
Ideal for users looking to enhance engine performance and reliability in modified Subaru Impreza vehicles.
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Engine Builders
Recommended for those assembling high-performance engines who need durable and reliable head studs.
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Race Participants
Perfect for individuals participating in motorsports who require enhanced engine performance under extreme conditions.
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Casual Drivers
Not suitable for everyday users who do not need upgraded performance components for standard driving conditions.
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Budget-Conscious Buyers
Not ideal for those on a tight budget, as high-performance parts may come with a higher price tag.
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DIY Beginners
Inexperienced users may struggle with installation, requiring professional help that increases overall costs.
Product Description
Head Stud Kit for Subaru Impreza WRX STi EJ20 2.0L & EJ25 2.5L DOHC Engines - Xotic PerformanceTM CP882
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is included in the Head Stud Kit for Subaru Impreza WRX STi EJ20 & EJ25 engines?
Answer: The Head Stud Kit typically includes high-strength head studs, washers, and nuts specifically designed for the Subaru Impreza WRX STi EJ20 2.0L & EJ25 2.5L DOHC engines. These components ensure a robust hold of the cylinder head to the engine block, which is vital for maintaining optimal performance under high-compression conditions. This enhancement is essential for any performance upgrade or engine rebuild scenario where durability and reliability are paramount. -
Question:
Why should I upgrade to a performance head stud kit for my Subaru Impreza?
Answer: Upgrading to a performance head stud kit like the Xotic Performance CP882 is crucial for enhancing engine stability and performance. These studs offer improved tensile strength, ensuring the cylinder head remains firmly attached during high-stress situations such as racing or heavy-duty driving. This results in better compression, reduced chances of blown head gaskets, and overall improved engine longevity, making it a valuable investment for enthusiasts seeking to unleash their vehicle's full potential. -
Question:
What are the benefits of using Xotic Performance head studs over OEM parts?
Answer: Xotic Performance head studs provide superior clamping force and thermal resistance compared to standard OEM parts. They are engineered from high-quality materials to withstand the rigors of high-performance applications. The reduced chances of head warp and improved load distribution contribute significantly to engine reliability, especially in modified setups. This is essential for those who frequently push their vehicles to their limits, ensuring greater reliability and efficiency. -
Question:
Can I install the Head Stud Kit myself, or do I need professional help?
Answer: While it is possible for experienced DIYers to install the Head Stud Kit, professional installation is typically recommended for optimal results. The precise torque specifications and sequences are crucial to ensure the integrity of the installation. Moreover, using quality tools and techniques minimizes risks such as cross-threading or improper tightening, which can lead to severe engine failures. For those unfamiliar with engine work, a professional mechanic can ensure everything is done correctly. -
Question:
How do I maintain the performance of my Subaru WRX STi after installing the head stud kit?
Answer: After installing the head stud kit, regular maintenance is key to preserving engine performance. This includes routine checks of the cylinder head torque after break-in, ensuring proper lubrication, and monitoring engine temperatures during drives. Upgrading supporting components such as your cooling system and intake/exhaust systems can further enhance your vehicle's performance, creating a balanced setup that maximizes the benefits of the head stud kit. -
Question:
Is the Head Stud Kit compatible with other Subaru models?
Answer: The Xotic Performance Head Stud Kit is specifically designed for the Subaru Impreza WRX STi with EJ20 2.0L and EJ25 2.5L DOHC engines and may not be directly compatible with other Subaru models without modifications. Each engine has unique specifications, and using appropriate parts ensures optimal performance. If you own a different model, it’s essential to consult with a detailed compatibility chart or a professional to find the right parts tailored to your engine's needs. -
Question:
What engines can the Head Stud Kit support in tuning applications?
Answer: The Xotic Performance Head Stud Kit is primarily designed for Subaru Impreza WRX STi EJ20 and EJ25 engines, making it ideal for tuning applications such as mild to aggressive builds. Enthusiasts commonly choose this kit when planning turbo upgrades, higher compression ratios, or increasing boost levels in their engine builds. By providing increased durability, it allows tuning for significant horsepower gains while ensuring the engine components hold up to stressful operating conditions. -
Question:
What should I do if I experience issues after installing the head stud kit?
Answer: If you face issues after installing the head stud kit, it’s crucial to diagnose the problems properly. Start with checking the torque settings to confirm they align with manufacturer recommendations. Look for signs of leaks, overheating, or unusual noises. If problems persist, reaching out to a professional mechanic can provide a second opinion and ensure all installation aspects were handled correctly, helping you tackle any underlying issues effectively. -
Question:
Will upgrading the head studs void my vehicle warranty?
Answer: Upgrading head studs can potentially void warranty coverage if the modification is deemed a contributing factor to an engine failure. It's essential to review the warranty terms provided by the manufacturer or dealer. Some warranties, particularly those covering powertrain issues, may allow for modifications if done properly. Consulting with the dealership before making modifications can help clarify any questions regarding warranty implications. -
Question:
Where can I buy the Head Stud Kit for Subaru Impreza WRX STi?
Answer: You can purchase the Head Stud Kit for Subaru Impreza WRX STi EJ20 2.0L & EJ25 2.5L DOHC Engines from Ubuy. They offer a variety of automotive parts including performance upgrades like this head stud kit, ensuring that you receive high-quality products tailored for your vehicle's needs. To find the kit, simply visit Ubuy's website and search for the product to complete your order.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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MMK 1026435
Order now and get it around Thursday, July 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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