Engines and Components› Cylinder Heads and Components

ENGINEQUEST

4ZEI Round Chamber Cylinder Head

$518.92

SKU: EQ-CH156NE

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The EngineQuest EQ-CH156NE is a cylinder head designed for Isuzu 2.6L 4ZEI engines. It features a round chamber design and is constructed with high-grade materials for durability. The decks are thicker for increased strength, and the ports are superiorly finished for improved flow.
Show original supplier description
The EngineQuest EQ-CH156NE is a replacement cylinder head engineered for Isuzu 2.6L 4ZEI engines. Constructed from the highest grade of material, this head is built for longevity and performance. This cylinder head is designed with an improved flow design to resist common issues and ensure efficient operation. The exhaust valve diameter is 1.453 inches, though exhaust valves and guideplates are not included with this head and must be sourced separately. The EngineQuest cylinder heads are known for their quality construction, utilizing high-grade cast iron and aluminum. EngineQuest specializes in hard-to-find engine parts and offers a wide range of cylinder head part numbers, with this EQ-CH156NE model specifically catering to the Isuzu 2.6L 4ZEI application.

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-CH156NE
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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