Harmonic Balancer Bolt LS
Secure Your LS Harmonic Balancer with Confidence
Get a precise, high-strength fit for your LS engine’s harmonic balancer. This Grade 8 bolt kit is built for durability and performance—perfect for LS swaps, rebuilds, and high-RPM applications.
Features:
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Thread Size: 7/16-20
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Bolt Length: 1.25”
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Grade 8 hardened steel for maximum strength
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Black oxide coating resists corrosion
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Includes washer for accurate torque distribution
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Designed for high-torque LS engines
Fits:
GM LS engines — LS1, LS2, LS3, LS6, LS7, LS9, LQ4, LQ9, and more
Pro Tip:
Torque to 37 ft-lbs, then 240 ft-lbs with a 140° turn. Always apply thread locker to prevent loosening under vibration.
Discover more in our FAQ
How long does it take to process an order?
Orders are processed within 1–5 business days. Once your order is ready to ship, you’ll receive a confirmation email with tracking information.
Do you ship internationally?
Yes — we offer international shipping on a custom request basis. If you’re outside the U.S. and want to place an order, reach out to us directly with your location and the parts you’re interested in. We’ll provide a personalized shipping quote and help coordinate the best delivery method for your region.
Please note that international customers are responsible for any import duties, taxes, or fees charged by their country.
What is your return policy?
We want you to be completely satisfied with your order. If something isn’t right, you can request a return within 30 days of delivery for most items. Products must be in their original condition — unused, uninstalled, and in their original packaging.
To start a return, contact our team with your order number and details, and we’ll walk you through the process. Once approved, refunds are issued to your original payment method, minus any applicable shipping costs.
Please note: custom, electrical, and special-order items are non-returnable. If you receive a damaged or incorrect part, let us know right away — we’ll make it right.