Engines and Components› Cylinder Heads and Components

ENGINEQUEST

Head Bolt Kit for LS 4.8L 5.3L 5.7L 6.0L

$41.50

SKU: EQ-HB349NA

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In Stock
Ships by Sep 9
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$100 Minimum Order
30 Days Return
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Overview

The EngineQuest EQ-HB349NA is a head bolt kit designed for Chevrolet LS engines. It fits 4.8L, 5.3L, 5.7L, and 6.0L displacements from model years 1999 through 2003. This kit provides the necessary bolts to secure the cylinder heads to the engine block.
Show original supplier description
The EngineQuest EQ-HB349NA is a head bolt kit specifically engineered for a range of Chevrolet LS engines, including the 4.8L, 5.3L, 5.7L, and 6.0L displacements. This kit is designed to fit model years 1999 through 2003, ensuring a precise fit for the specified engine configurations. Constructed with quality materials, these head bolts are built to provide reliable clamping force for your cylinder heads. EngineQuest is known for producing engine components that meet or exceed OEM specifications, offering a dependable solution for engine rebuilds or repairs. The EQ-HB349NA kit includes all the necessary bolts required for the complete engine, making installation straightforward. Proper installation of head bolts is critical for engine performance and longevity. It is recommended to follow the manufacturer's torque specifications and sequence when installing this head bolt kit to ensure optimal sealing and prevent potential issues. This kit is intended for the specified LS engine family and model years, and compatibility should be confirmed prior to purchase for other applications.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandENGINEQUEST
Part NumberEQ-HB349NA
CategoryEngines and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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