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Engines and Components› Cylinder Heads and Components

ENGINEQUEST

Enginequest Cylinder Head

$1,124.42 $674.36 Save $450.06

SKU: E02R EQ-CH364AA

Out of Stock
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
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Overview

The EngineQuest EQ-CH364AA is an assembled aluminum cylinder head designed for Chevy Cathedral Port LS engines. It features a vortex combustion chamber style with a volume of 69cc (+/- 2cc) and an exhaust runner volume of 75cc (+/- 2cc). The head is manufactured to meet or exceed OEM specifications and is assembled in the USA, utilizing the highest grade materials with thicker decks for increased strength and an improved flow design to resist cracking.
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Part #: EQ-CH364AA

Features:

  • Highest grade of material used in manufacturing
  • Thicker decks for greater strength
  • Superior port finish for increased flow
  • Improved flow design to resist cracking

EngineQuest Cylinder heads are manufactured to meet or exceed the OEM specifications. All assembled Cylinder heads are assembled in the USA.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

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

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandENGINEQUEST
Part NumberE02R EQ-CH364AA
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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