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Item #:
105695782
ReluxGo Harmonic Balancer Installer Bolt for 66515, Damper Vibration Install Tool Compatible for SBC and BB Chevy Cranks
85% of respondents would recommend this to a friend
Item #:
105695782
KZT 15267
Price Details
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Order now and get it around Friday, September 11
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This harmonic balancer puller is easy to operate and provides everything you need for efficient and effective harmonic balancer installation.
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What Stands Out
Compatibility
Designed specifically for SBC and BB Chevy cranks, this harmonic balancer installer bolt ensures a perfect fit, easing installation and minimizing potential damage to engine components.
Durable Construction
Made from high-quality materials, this tool is built to withstand high torque requirements during installation, offering longevity and reliable performance for professional mechanics and DIY enthusiasts alike.
Easy Installation
Simplifies the often challenging process of damper vibration installation, allowing users to confidently install harmonic balancers quickly and efficiently without specialized knowledge or tools.
Product Details
Product Technical Details
| Manufacturer | ReluxGo |
| Brand | ReluxGo |
| Model | BJS108 |
| Item Weight | 1.57 pounds |
| Package Dimensions | 7.95 x 2.95 x 2.32 inches |
| Item model number | BJS108 |
| Exterior | black |
| Manufacturer Part Number | BJS108 |
What's in the box
1 x Harmonic Balancer Installation Tool
1 x Gloves
Who Should Buy?
-
Professional Mechanics
Ideal for professional mechanics who frequently work on small block and big block Chevy engine components.
-
DIY Car Enthusiasts
A great tool for DIY car enthusiasts looking to replace or install harmonic balancers on Chevrolet engines.
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Engine Builders
Engine builders will benefit from this tool for precise installation of harmonic balancers in high-performance setups.
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Non-Chevy Users
Not suitable for users with engines other than small block or big block Chevy models.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a harmonic balancer installer bolt used for?
Answer: A harmonic balancer installer bolt is a specialized tool used to install harmonic balancers onto engines, particularly for SBC (Small Block Chevy) and BB (Big Block Chevy) cranks. It ensures a proper fit and alignment without damaging the balancer or crankshaft. Using this tool prevents common installation issues such as bending or damaging the balancer while securing it evenly, which is crucial for engine performance and vibration dampening. -
Question:
Is the harmonic balancer installer bolt compatible with all Chevy engines?
Answer: The harmonic balancer installer bolt is specifically designed for SBC and BB Chevy crankshafts. While it is not suitable for all Chevy engines, it works effectively for those particular models. It's essential to check your engine type before purchasing to ensure compatibility, as using an incompatible tool can lead to improper installation, resulting in performance issues or engine damage. -
Question:
How do I properly use the harmonic balancer installer bolt?
Answer: To use the harmonic balancer installer bolt, first, position the harmonic balancer onto the crankshaft, ensuring correct alignment. Next, thread the installer bolt into the center of the balancer and tighten it using a socket wrench. It's crucial to apply steady, even pressure to seat the balancer correctly without forcing it. This tool allows for a controlled installation, protecting both the balancer and the crankshaft threads. -
Question:
What materials are used in the construction of the harmonic balancer installer bolt?
Answer: Typically, the harmonic balancer installer bolt is made from high-strength steel, designed to withstand the pressure and torque applied during installation. This durability ensures that the tool can be used repeatedly without wear, providing consistent performance. The quality of materials helps to maintain proper alignment and prevents stripping of the threads, making it a reliable choice for mechanics and DIY enthusiasts alike. -
Question:
Can I use this installer bolt for aftermarket harmonic balancers?
Answer: Yes, the harmonic balancer installer bolt can generally be used with aftermarket harmonic balancers that are designed for SBC and BB Chevy engines. However, it is advisable to check the specifications of the aftermarket balancer to ensure compatibility. Using this tool helps secure various balancer styles, enhancing performance and reducing vibrations, which is especially beneficial for modified engines. -
Question:
Why is a harmonic balancer important for an engine?
Answer: The harmonic balancer is critical for managing engine vibrations and maintaining balance, which is essential for smooth operation. It helps absorb and dampen vibrations caused by engine firing cycles. A properly functioning harmonic balancer leads to increased engine longevity and performance. Using the installer bolt ensures that the balancer is fitted correctly, optimizing engine function and reducing wear on other components. -
Question:
What size is the installer bolt for harmonic balancers?
Answer: The harmonic balancer installer bolt commonly has a standard size compatible with Chevy crankshafts. Typically, it features a 7/16-20 thread or similar, suitable for most SBC and BB applications. When selecting your tool, it's important to verify the thread size of your specific engine model. Having the correct size guarantees proper installation without cross-threading, ensuring a snug fit. -
Question:
What should I do if the bolt does not fit my harmonic balancer?
Answer: If the harmonic balancer installer bolt does not fit your balancer, first double-check the thread size and compatibility with your specific model. Sometimes, aftermarket parts may have unique specifications. If you find discrepancies, consulting the manufacturer or vendor can provide guidance on compatible tools. Ensuring the right fit is crucial to prevent damage during installation and achieve optimum engine performance. -
Question:
Can this tool be used for reinstalling a harmonic balancer?
Answer: Yes, the harmonic balancer installer bolt is ideal for reinstalling a harmonic balancer. Its design ensures ease and precision in both initial installations and reapplications after maintenance. Properly reinstalling the balancer with this tool minimizes the risk of misalignment and damage, preserving engine integrity and functionality while maintaining effective vibration control. -
Question:
Where can I buy the Harmonic Balancer Installer Bolt for 66515?
Answer: You can buy the Harmonic Balancer Installer Bolt for 66515 from Ubuy in Kazakhstan. Ubuy offers a selection of automotive tools and parts, ensuring you find the right equipment for your engine needs. With Ubuy, you can shop conveniently and access detailed product information to assist in your selection.
ReluxGo Engine Tools BJS108 Editorial Review
The Harmonic Balancer Installer Bolt for 66515 is garnering positive attention from customers who value both quality and affordability in their automotive tools. Designed to be compatible with small block (SBC) and big block (BB) Chevy cranks, this installer tool stands out for its robust Construction and efficient performance. Users have noted that it effectively presses the harmonic balancer back onto the crankshaft, an essential function for any mechanic tackling engine projects. Reviewers appreciate that this tool is manufactured to high standards without necessitating the purchase of a complete balancer tool kit, making it a sensible investment. Many have contrasted it with options from SnapOn and Lisle, noting that this tool performs comparably at a significantly lower price point. Builders and hobbyists alike have mentioned its sturdiness, and a couple of experienced mechanics highlighted the importance of using hand tools to maintain the longevity of the installer, rather than power tools. Overall, the Consensus is that this balancer installer tool is not only well-made but also likely to last for many years, especially when handled with care. Various users expressed eagerness to utilize it in upcoming projects, reinforcing their trust in its reliability for both routine repairs and more intensive engine work. ###
Customer Reviews & Ratings
54 customers ratings
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5 Star
76%
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4 Star
7%
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3 Star
4%
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2 Star
0%
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1 Star
13%
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Pros
- Sturdy, high-quality Construction
- Cost-effective compared to similar professional tools
- Effective for pressing harmonic balancers onto crankshafts
- Positive feedback from experienced users
- Designed for longevity with proper care ###
Cons
- Tool is limited to installation only, does not remove the balancer
Platform Trust & Buyer Confidence
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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KZT 15267
Order now and get it around Friday, September 11
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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Features & Benefits
- Compatible with Chevy SBC and BBC cranks.
- Easy to use, requiring minimal steps for installation.
- Includes complete kit with threaded rod, nut, washer, thrust bearing, and gloves.
- Constructed from high hardness AISI 1045 medium carbon steel for durability.
- Corrosion and wear-resistant for long-lasting reliability.
- Customer satisfaction is prioritized with responsive after-sales support.
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