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Cylinder Head Bolts Kit for 2004+ Chevrolet Gen III IV LS Engines 4.8L, 5.3L, 5.7L, 6.0L, 6.2L - Xotic PerformanceTM XP981
ULTRA STRENGTH: In comparison to standard bolts, our alloy's material characteristics enable much higher tensile strength.
Cylinder Head Bolts Kit for 2004+ Chevrolet Gen III IV LS Engines 4.8L, 5.3L, 5.7L, 6.0L, 6.2L - Xotic PerformanceTM XP981
Item #: 31077890

Cylinder Head Bolts Kit for 2004+ Chevrolet Gen III IV LS Engines 4.8L, 5.3L, 5.7L, 6.0L, 6.2L - Xotic PerformanceTM XP981

Item #: 31077890

BSD 140

Price Details

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ULTRA STRENGTH: In comparison to standard bolts, our alloy's material characteristics enable much higher tensile strength.
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What Stands Out

Precision Engineering
Manufactured with high-grade materials, these bolts ensure a perfect fit for 2004+ Chevrolet Gen III IV LS engines, enhancing durability and performance during high-stress operations.
Complete Kit
Includes all necessary bolts for a comprehensive installation, saving time and effort. This all-in-one solution reduces the risk of missing parts during engine assembly or rebuild.
Enhanced Performance
Designed for optimal torque retention, these bolts prevent engine blowouts and maintain cylinder head stability under extreme conditions, providing peace of mind for serious automotive enthusiasts.

Product Details

Shop the Xotic Performance XP981 Cylinder Head Bolts Kit for 2004+ Chevy Gen III & IV LS engines. High-strength, heat-treated bolts for reliable clamping force & superior durability. Shop at Ubuy The Bahamas
  • Compatible with Chevrolet Gen III, Gen IV, and LS engines from 2004 to present
  • Ultra-strength alloy material for higher tensile strength and improved fatigue strength
  • Premium quality black oxide coating for corrosion resistance and precise torque measurements
  • Easy installation with high-temperature coating for enhanced heat resistance
  • Designed to handle high compression and cylinder pressures
  • Provides reliable and consistent clamping force for cylinder heads in Chevrolet Gen III and IV LS engines
Item Weight4 lbs (1.81 kg)

Who Should Buy?

Suitable For
  • Engine Builders

    Professional engine builders will benefit from the reliability and strength of these high-quality bolts for builds.

  • Performance Enthusiasts

    Car enthusiasts seeking increased performance from their LS engines will find these bolts support enhanced power.

  • DIY Mechanics

    Home mechanics looking to upgrade their engine components will appreciate the ease of use and reliability of this kit.

Not Suitable For
  • Casual Drivers

    Regular drivers may not require specialized bolts when standard components suffice for everyday vehicle operation.

Product Description

Cylinder Head Bolts Kit for 2004+ Chevrolet Gen III IV LS Engines 4.8L, 5.3L, 5.7L, 6.0L, 6.2L - Xotic PerformanceTM XP981

About This Item

Upgrade the performance of your 2004 Chevrolet Gen III and IV LS engine with the Xotic-XP981 Cylinder Head Bolts Kit. These high-strength head bolts are specifically designed to provide reliable and consistent clamping force for your cylinder heads, ensuring a secure and leak-free seal. With a black oxide finish, these bolts not only offer enhanced corrosion resistance but also provide a sleek and professional appearance. The heat-treated construction further increases their strength and durability, making them capable of withstanding even the most demanding conditions. One of the standout features of the XP981 Cylinder Head Bolts Kit is its ability to maintain consistent clamping force across various temperatures and operating conditions.

This ensures proper head gasket sealing and prevents any potential leaks or engine problems down the line. Whether you're rebuilding or upgrading your Chevy LS engine, the XP981 Cylinder Head Bolts Kit is an excellent choice to guarantee reliable and consistent performance. The precision engineering and superior durability of this kit make it a long-term investment that will deliver top-notch results for years to come. Upgrade your Chevrolet Gen III or IV LS engine today with the Xotic-XP981 Cylinder Head Bolts Kit. Experience the power and reliability that comes with high-strength construction, ensuring optimum performance every time you hit the road.

Shop now and take your engine to the next level with Xotic Performance.

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Customer Questions & Answers

  • Question: What are the specifications of the Xotic Performance XP981 Cylinder Head Bolts Kit?

    Answer: The Xotic Performance XP981 Cylinder Head Bolts Kit is designed specifically for 2004 Chevrolet Gen III and IV LS engines, including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L models. This kit includes precision-engineered bolts made from high-strength materials to ensure optimum clamping force and durability. The bolts are tempered and feature a non-corrosive finish to withstand extreme engine environments. This makes them ideal for both stock restorations and modified performance applications.
  • Question: How do I know if I need to replace my cylinder head bolts?

    Answer: You should consider replacing your cylinder head bolts if you are performing a head gasket replacement or if you notice symptoms like engine overheating, coolant leaking, or reduced engine performance. Over time, the original bolts may lose their clamping force due to stretching or fatigue. Additionally, reusing old bolts can cause sealing issues, leading to potential engine damage. Therefore, for engine reliability and performance, replacing them with a new set like the XP981 is recommended.
  • Question: Can I use the XP981 cylinder head bolts with aftermarket cylinder heads?

    Answer: Yes, the Xotic Performance XP981 Cylinder Head Bolts Kit is compatible with many aftermarket cylinder heads designed for the 2004 Chevrolet Gen III and IV LS engines. However, always check with the head manufacturer for specific compatibility notes. The kit's design ensures a proper fit and maintains optimal clamping pressure, giving you confidence that your engine will perform reliably even with upgraded components.
  • Question: What tools are needed to install the Xotic Performance XP981 Cylinder Head Bolts?

    Answer: To install the Xotic Performance XP981 Cylinder Head Bolts, you will need a basic set of tools including a torque wrench, ratchet, and socket set. Depending on your engine setup, you may also require additional tools such as a breaker bar for removing old bolts. Ensure the torque wrench can measure the proper specifications to avoid over-tightening, which could damage the engine head. A repair manual for your specific vehicle model may also be helpful to provide proper installation guidelines.
  • Question: Is it necessary to use thread sealant with the XP981 bolts?

    Answer: No, the Xotic Performance XP981 Cylinder Head Bolts are designed to be used without thread sealant. Using sealant can actually interfere with the bolt's clamping force and provide an incorrect torque reading. The bolts are manufactured to maintain a proper seal through their design and finish, ensuring that your engine operates at peak performance without the risk of leaks or failures. Always follow the manufacturer's installation instructions for the best results.
  • Question: What is the torque specification for the XP981 cylinder head bolts?

    Answer: The torque specifications for the Xotic Performance XP981 Cylinder Head Bolts typically fall within the range of 20-25 ft-lbs for initial tightening, followed by additional steps to reach the final torque. It is important to follow a specific sequence, usually starting from the center of the head and working outward, to evenly distribute pressure. Always refer to your vehicle's service manual for the correct torque specifications and sequence as this ensures optimal performance and prevents head gasket failure.
  • Question: How does the quality of Xotic Performance bolts compare to OEM bolts?

    Answer: Xotic Performance bolts are engineered for high performance and enhanced durability compared to standard OEM bolts. They are made from superior materials designed to withstand the extreme conditions often faced by LS engines, such as high temperatures and pressures. Additionally, the manufacturing process involves precise tolerances to ensure consistent performance and longevity. For those seeking performance upgrades or rebuilding an engine, XP981 bolts can provide added peace of mind over stock options.
  • Question: Can I install the XP981 head bolts without professional help?

    Answer: Yes, you can install the Xotic Performance XP981 head bolts yourself, provided you have automotive mechanical knowledge and the right tools. Many DIY enthusiasts successfully complete this task with careful attention to detail and adherence to torque specifications. However, if you’re unfamiliar with engine assembly, it might be beneficial to consult an experienced mechanic. Proper installation is crucial for engine integrity, so never rush this process.
  • Question: What are the common signs of a failing cylinder head bolt?

    Answer: Common signs of failing cylinder head bolts include engine overheating, white smoke from the exhaust, coolant leaks, and a noticeable decrease in engine power. These symptoms can indicate that the bolts have lost tension, leading to head gasket failure. Regular inspections and maintenance can help detect these issues early, ensuring engine health. If any symptoms arise, consider replacing the bolts with a quality kit like the XP981 to restore performance.
  • Question: Where can I buy the Cylinder Head Bolts Kit for 2004 Chevrolet Gen III IV LS Engines?

    Answer: You can purchase the Cylinder Head Bolts Kit for 2004 Chevrolet Gen III IV LS Engines through Ubuy. Ubuy offers a wide selection of auto parts, including the Xotic Performance XP981 Cylinder Head Bolts Kit. Their platform provides a user-friendly shopping experience, ensuring you can easily find and order the components needed for your engine build or repair.

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