12557840 Upgrade Balancer Bolt 12.9 Grade for GM Harmonic Balancer Crank Bolt for LS Engines (4.8L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, L99, LM7, LR4, LMG, LQ4, LQ9, L96) Replaces# 917-139
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$8.99
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by www.eeducation.com.co
Free 30-day returns Details
Product details
| Management number | 237310042 | Release Date | 2026/07/10 | List Price | $3.60 | Model Number | 237310042 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- Wide Compatibility with ===== Specifically designed for all Gen III and Gen IV LS engines (excluding LS7/LS9), this balancer bolt fits a variety of models, including 4.8L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, L99, LM7, LR4, LMG, LQ4, LQ9, and L96, making it a versatile choice for your performance upgrades
- Enhanced Engine Reliability ===== Replacing your factory balancer bolt with this upgraded version helps ensure that your harmonic balancer remains securely attached, reducing the risk of engine vibration and potential damage. This contributes to improved engine performance and longevity
- High-Strength 12.9 Grade Construction ===== This balancer bolt is made from premium 12.9 grade steel, ensuring exceptional strength and durability. It is designed to withstand the rigorous demands of high-performance applications, providing a secure fit for your harmonic balancer
- Cost-Effective Performance Upgrade ===== Investing in the 12557840 balancer bolt is a smart decision for maintaining optimal engine performance. This cost-effective upgrade not only enhances reliability but also provides peace of mind during high-stress driving conditions
- Easy Installation ===== Designed for straightforward installation, this balancer bolt can be easily fitted with standard tools, making it an excellent choice for both professional mechanics and DIY enthusiasts looking to upgrade their LS engine
| ASIN | B0DCVDVWKN |
|---|---|
| Color | / |
| Brand Name | Fit4drive |
| Unit Count | 1.0 Count |
| Manufacturer | Fit4drive.CO.,LTD |
| Model Number | 12557840 |
| Material Type | Steel |
| Number of Items | 1 |
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Harmonic Balancer Repair Kits
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