Description
Product Overview
The Yubunt LS Water Pump Bolt Kit is designed for LS series engines ranging from 1997 to 2014. It includes six flange hex head bolts and two flange bolts, all forged from grade 10.9 high‑strength steel and galvanized for rust resistance. Each bolt meets the torque specifications of 22 ft‑lb for water pump bolts and 11 ft‑lb for thermostat housing bolts, ensuring a precise fit and long‑term reliability.
![[Product front view showing all components]](https://www.youthgo.store/wp-content/uploads/2026/06/3f8fe9582d004073a7e7f2afa2fda3b3.jpg)
Usage
This kit is perfect for replacing worn or damaged water pump fasteners on GM Chevrolet LS engines, including LS1, LS2, LS3, LS6, LS7, LS9, and LSX variants. Whether you are performing a routine maintenance service or a complete engine rebuild, the kit provides the exact bolts needed for a secure, leak‑free water pump installation.
Why Choose Us
Yubunt combines premium materials with rigorous quality control to deliver bolts that resist stretching, corrosion, and heat degradation. Our bolts are tested to exceed OEM specifications, giving you confidence in durability and performance. Plus, our dedicated support team is ready to assist with fitment questions and installation guidance.
Key Features
- Grade 10.9 steel construction for maximum strength and durability
- Galvanized coating provides superior rust and corrosion resistance
- Exact torque specifications (22 ft‑lb water pump, 11 ft‑lb thermostat) ensure proper installation
- Wide compatibility with all GM LS series engines from 1997‑2014
- Responsive customer support and hassle‑free returns for peace of mind
FAQ
Will these bolts fit a 2005 Chevrolet Corvette LS3 engine?
Yes, the kit is compatible with LS3 engines, covering all bolt locations for the water pump and thermostat housing.
Do I need any special tools to install the flange bolts?
A standard 10 mm socket and a torque wrench are sufficient to achieve the correct 22 ft‑lb torque.
Are the bolts pre‑galvanized or do I need to apply a coating?
All bolts come pre‑galvanized from the factory, providing immediate corrosion protection.
What is the warranty on this bolt kit?
Yubunt offers a one‑year limited warranty covering material defects and workmanship.
Can I use these bolts on a non‑LS engine?
These bolts are specifically engineered for LS series engines; using them on other engine families may result in improper fitment.
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