A precise engine timing set is essential for optimal engine performance and efficiency. The Hex-A-Just timing set allows for accurate calibration of the camshaft and crankshaft, ensuring proper valve timing. Choosing the right set helps maintain engine durability and smooth operation, making it a critical component for engine tuning.
This review focuses on the best Hex-A-Just timing sets available in the market. It provides clear insights into their features, quality, and compatibility. The information aims to help engine builders and enthusiasts select a reliable, precise timing set that enhances engine performance and longevity.
List of Top 10 Best Hex-A-Just timing set
| Image | Title | Best For | Link |
|---|---|---|---|
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Cloyes 9-3159a Hex-a-just True Roller Engine Timing Set | The Cloyes 9-3159A Hex-A-Just True Roller Engine Timing Set is well suited for professional mecha… | |
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Cloyes 9-3100a-5 3 Pc Hex-a-just Set | This set is suitable for mechanics or DIY enthusiasts who need precise and adjustable timing tool… | |
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Cloyes 9-3100b Hex-a-just True Roller Set | The Cloyes 9-3100B Hex-A-Just True Roller Set is well suited for professional mechanics and autom… | |
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Cloyes 9-3100az Hex-a-just Z Racing Series Timing Kit | The Cloyes 9-3100AZ Hex-A-Just Z Racing Series Timing Kit is well suited for automotive enthusias… | |
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A-premium Engine Timing Chain Kit Ohv V8 4.8 5.3 5.7 6.0l Compatible With Ch… | This engine timing chain kit is suitable for professionals or DIY enthusiasts performing repairs … | |
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Cloyes 9-130 Premium True Roller Timing Chain | The Cloyes 9-130 Premium True Roller Timing Chain is ideal for experienced mechanics and DIY enth… | |
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Cloyes 9-231 Quick Button Timing Cover | This product is suitable for automotive professionals or DIY enthusiasts replacing the timing cov… | |
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Cloyes – 9-304 High Performance Timing Chain | The Cloyes 9-304 High Performance Timing Chain is best suited for professional mechanics or exper… | |
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Javouka Timing Chain Kit Water Pump With Vvt Gears 303-1248 Camshaft Holdin… | This kit is ideal for professional mechanics or experienced DIY enthusiasts performing timing cha… | |
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Alloyboltz – Amcjeep 290 304 343 360 390 401 V-8 Stainless Steel Engine Hex B… | This stainless steel engine bolt kit is ideal for mechanics or enthusiasts working on AMC and Jee… |
Detailed Reviews
The following list features the top ten Hex-A-Just timing sets. These products were carefully selected based on performance, durability, and customer feedback. Each review provides clear insights to help you compare options and make an informed choice.
Cloyes 9-3159a Hex-a-just True Roller Engine Timing Set

The Cloyes 9-3159A Hex-A-Just True Roller Engine Timing Set features durable construction with high-quality materials. Its design allows for precise timing adjustments, making installation straightforward and reliable for a variety of engine setups.
Build quality ensures longevity and consistent performance under demanding conditions. The set’s components are well-machined, providing smooth operation and easy usability without tight tolerances or excessive wear over time.
Pros
- The set includes adjustable components that allow precise timing adjustments. High-quality materials contribute to durability and reliable performance. Installation can be straightforward for experienced technicians.
- Reliable performance for daily use.
- Sleek design enhances portability.
Cons
- The product may require specific tools or knowledge for proper installation. Some users report that parts do not fit perfectly in certain engine models. Adjustments might need to be made periodically to maintain optimal timing.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
The Cloyes 9-3159A Hex-A-Just True Roller Engine Timing Set is well suited for professional mechanics and experienced DIY enthusiasts performing timing chain replacements on compatible engines.
Cloyes 9-3100a-5 3 Pc Hex-a-just Set

The Cloyes 9-3100A-5 3 Pc Hex-A-Just Set features durable construction with high-quality materials, ensuring long-lasting performance. The design allows for precise adjustments and easy handling, making it convenient for various timing tasks and reducing installation errors.
Build quality is solid, with well-machined components that fit securely. The set’s usability is enhanced by clear markings and straightforward operation, allowing for efficient adjustments. Overall, it offers reliable performance for automotive timing applications.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- The set includes three different hex sizes for versatile use. The tools are made from durable materials that resist wear. The set is compact and easy to store or carry around. The hex sizes are not clearly marked on each tool for quick identification. Some users may find the tools too small for heavy-duty applications. The set may not include all sizes needed for every project.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This set is suitable for mechanics or DIY enthusiasts who need precise and adjustable timing tool sets for engine work.
Cloyes 9-3100b Hex-a-just True Roller Set

The Cloyes 9-3100B Hex-A-Just True Roller Set features solid construction with precise machining, ensuring durability and reliable performance. Its design allows for easy installation and adjustment, making it user-friendly even for those with limited experience in timing component replacement.
Built with high-quality materials, this roller set provides smooth operation and reduces wear on other engine parts. The compact design fits well into various engine configurations and helps maintain proper timing, contributing to consistent engine performance over time.
Pros
- The set includes multiple rollers, which can improve engine performance. Installation is straightforward with clear instructions provided. The components are made from durable materials designed for long-term use.
- Reliable performance for daily use.
- Sleek design enhances portability.
Cons
- Some rollers may not fit all engine models without modifications. The set lacks detailed calibration tools for precise adjustments. Price may be higher compared to similar products on the market.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
The Cloyes 9-3100B Hex-A-Just True Roller Set is well suited for professional mechanics and automotive enthusiasts performing timing chain replacements or engine repairs.
Cloyes 9-3100az Hex-a-just Z Racing Series Timing Kit

The Cloyes 9-3100AZ Hex-A-Just Z Racing Series Timing Kit features precise construction and durable materials. Its design allows for easy installation and adjustment, making timing tasks more straightforward and reliable.
Build quality is robust, with components that resist wear and maintain accuracy over time. The kit’s usability is enhanced by clear markings and a thoughtful layout, supporting consistent performance during engine tuning.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- The kit includes a variety of timing tools suitable for racing performance. It is made from durable materials designed to withstand high-stress conditions. The product offers precise timing alignment for better engine performance. Some users have reported difficulty during installation due to complex components. The kit may be more expensive compared to standard timing sets. Availability could be limited depending on the retailer or region.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
The Cloyes 9-3100AZ Hex-A-Just Z Racing Series Timing Kit is well suited for automotive enthusiasts and professional mechanics working on high-performance engines requiring precise timing adjustments.
A-premium Engine Timing Chain Kit Ohv V8 4.8 5.3 5.7 6.0l Compatible With Ch…

The A-Premium Engine Timing Chain Kit offers reliable performance for V8 engines across multiple GM brands. The build quality appears solid, with durable components designed for long-lasting operation. Its design facilitates straightforward installation and maintenance.
Manufactured with precision, the kit enhances engine timing accuracy and smooth operation. The components fit well and are engineered for usability, making it suitable for both professional mechanics and experienced DIY enthusiasts. Overall, it provides a dependable solution for engine timing needs.
Pros
- The kit includes all necessary components for a complete timing chain replacement. It is compatible with a wide range of GM V8 engines and various vehicle models. The parts are designed to meet or exceed OEM specifications for durability.
- Reliable performance for daily use.
- Sleek design enhances portability.
Cons
- The installation may require advanced mechanical skills due to the complexity of timing chain work. Some users report difficulty in aligning certain components during installation. The price point may be higher compared to basic or aftermarket timing chain kits.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This engine timing chain kit is suitable for professionals or DIY enthusiasts performing repairs on V8 engines in Chevy, GMC, Pontiac, Isuzu, Saab, Hummer, Cadillac, Buick, and related models.
Cloyes 9-130 Premium True Roller Timing Chain

The Cloyes 9-130 Premium True Roller Timing Chain features durable construction and precise engineering. Its high-quality materials and design provide smooth operation and reliable performance in demanding engine conditions.
The chain’s design facilitates easy installation and long-lasting use. Built to withstand wear and stress, it ensures consistent timing and engine efficiency over time.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- The chain is designed for durability and long-lasting performance. It offers smooth operation with minimal noise. The product is easy to install for qualified technicians.
- The chain may be more expensive than generic alternatives. Some users report challenges with fitting the chain in certain engine configurations. Limited information is available on compatibility with older or specialized engines.
- Slightly higher price than competitors.
Perfect For:
The Cloyes 9-130 Premium True Roller Timing Chain is ideal for experienced mechanics and DIY enthusiasts performing engine rebuilds or repairs requiring a durable, high-quality timing chain.
Cloyes 9-231 Quick Button Timing Cover

The Cloyes 9-231 Quick Button Timing Cover is well-built with durable materials. Its design allows for easy installation and removal, saving time during engine repairs. The fit is precise, ensuring reliable coverage and protection for the timing components.
This timing cover offers good performance by maintaining a secure seal under engine conditions. Its straightforward design simplifies maintenance tasks. The product quality supports long-term use, making it a practical choice for engine enthusiasts and professionals alike.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- The product is easy to install and fits many engine models. It is made from durable materials that resist wear over time. The quick button feature simplifies removal and replacement procedures. Some users report that the fit may be tight, requiring extra effort during installation. The cover may not be compatible with all engine configurations. A few units have experienced minor leaks after installation.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This product is suitable for automotive professionals or DIY enthusiasts replacing the timing cover on compatible engines.
Cloyes – 9-304 High Performance Timing Chain

The Cloyes 9-304 timing chain features a durable build with high-quality materials designed for long-lasting performance. Its design promotes smooth operation, reducing noise and wear, which contributes to reliable engine timing and overall efficiency.
Usability is straightforward with precise fitment and easy installation instructions. The chain’s construction ensures consistent tension and alignment, making it a dependable choice for maintaining engine performance over time.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- The chain is designed for high performance and durability. It offers precise timing for engine components. Installation is straightforward with compatible models. The chain may be more expensive than standard options. Some users report that it requires careful handling during installation. It might not suit older or less common engine types.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
The Cloyes 9-304 High Performance Timing Chain is best suited for professional mechanics or experienced DIY enthusiasts seeking a durable and reliable timing chain for high-performance engine applications.
Javouka Timing Chain Kit Water Pump With Vvt Gears 303-1248 Camshaft Holdin…

The kit features durable construction with high-quality materials that ensure long-lasting performance. Its design simplifies installation, making timing chain and water pump replacement more straightforward for technicians and experienced DIYers alike.
Precision-engineered VVT gears and alignment tools provide accurate timing adjustments. The components fit securely, reducing noise and improving engine efficiency during operation. Usability is enhanced by clear instructions and reliable fitment for compatible Ford and Lincoln models.
Pros
- The kit includes VVT gears and a water pump designed for specific Ford and Lincoln models. It provides specialized tools for precise timing alignment and camshaft holding. The components appear to be high quality and compatible with the listed vehicle models.
- Reliable performance for daily use.
- Sleek design enhances portability.
Cons
- Some parts may require technical expertise for proper installation. The kit could be more comprehensive for engines with different configurations. Availability of detailed instructions might be limited, affecting ease of use.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This kit is ideal for professional mechanics or experienced DIY enthusiasts performing timing chain and water pump replacements on Ford, Lincoln, and Mercury V6 engines.
Alloyboltz – Amcjeep 290 304 343 360 390 401 V-8 Stainless Steel Engine Hex B…

The ALLOYBOLTZ kit features high-quality stainless steel bolts that provide durable strength and resistance to corrosion. The precise machining ensures easy installation and a secure fit, making it reliable for engine rebuilds and maintenance.
Designed specifically for AMC and Jeep V-8 engines, the bolts offer a robust and consistent performance. The set’s modular design simplifies assembly, and the clear specifications help ensure compatibility and ease of use during engine repairs.
Pros
- The set is made from durable stainless steel, resistant to rust and corrosion. It includes a variety of bolt sizes suitable for different engine components. The kit is designed specifically for AMC and Jeep V-8 engines, offering precise fitment.
- Reliable performance for daily use.
- Sleek design enhances portability.
Cons
- Some bolts may require additional tools for installation due to their size or type. The stainless steel material can be more difficult to cut or modify if needed. Compatibility is limited to certain engine models, which may restrict its use for other applications.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This stainless steel engine bolt kit is ideal for mechanics or enthusiasts working on AMC and Jeep V-8 engines, providing a reliable hardware solution for engine assembly and repair.
Buying Guide
Choosing the best Hex-A-Just timing set requires understanding your specific needs and vehicle requirements. Factors like compatibility, ease of use, and durability play a key role in making the right choice. Being aware of these aspects helps ensure proper installation and long-term performance.
Compatibility with Your Vehicle
Ensure the timing set is designed for your vehicle’s make and model. Mismatched sets can cause installation issues or engine damage. Verify specifications before purchasing to avoid compatibility problems.
Ease of Installation and Adjustment
Look for a set that offers straightforward installation processes. Features like clear instructions and easy adjustment mechanisms save time and reduce errors. Consider your skill level and choose accordingly.
Build Quality and Durability
Select a timing set made from high-quality materials to ensure longevity. Durable components resist wear and corrosion over time. This leads to consistent performance and reduces maintenance needs.
Frequently Asked Questions
What is the typical price range for a Hex-A-Just timing set?
Prices generally range from moderate to high depending on brand and quality. Expect to pay between fifty to two hundred dollars for a good set. Investing in quality can save money on future repairs.
What key features should I look for in a timing set?
Look for features like precise adjustment mechanisms and durable materials. Compatibility with your vehicle and ease of installation are also important. These features ensure reliable performance and longevity.
Are there beginner-friendly options available?
Yes, some sets are designed with simplified installation and adjustments for beginners. These often include detailed instructions and user-friendly features. They help ensure proper setup even with limited experience.
What common mistakes should I avoid when installing a timing set?
Avoid incorrect alignment or skipping manufacturer instructions. Rushing the installation can lead to errors and engine damage. Proper tools and careful attention help prevent mistakes.
How do I maintain and ensure the durability of my timing set?
Regular inspections and timely replacements of worn components extend the set’s lifespan. Keep the set clean and lubricated to prevent corrosion and wear. Proper maintenance preserves optimal performance.
Conclusion
Selecting the right Hex-A-Just timing set is essential for engine performance and longevity. Focus on compatibility, ease of use, and quality to make an informed decision. A well-chosen set offers reliable operation and peace of mind for your vehicle’s health.