Engines and Components Cylinder Heads and Components

ENGINEQUEST

Ford 300 Cast Iron Cylinder Head

$898.98

SKU: EQ-CH300AA

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-CH300AA is a Ford 300 cylinder head designed to meet or exceed OEM specifications. Manufactured from the highest grade of cast iron, this cylinder head features thicker decks for increased strength and redesigned water flow for greater thermal conductivity. It also boasts a superior port finish to enhance flow.

This assembled cylinder head is made in the USA and includes intake valves. It is compatible with a range of Ford vehicles from 1977 to 1996, including various Bronco, Econoline, and F-Series models, as well as the P-500.
Show original supplier description
The EngineQuest EQ-CH300AA is an assembled Ford 300 cylinder head, manufactured in the USA to meet or exceed OEM specifications. Constructed from the highest grade of cast iron, it features thicker decks for enhanced strength and a superior port finish for increased flow. The redesigned water flow promotes greater thermal conductivity, contributing to efficient engine operation. This cylinder head is equipped with smog provisions and includes intake valves with a 1.78-inch diameter. It is designed as a direct replacement and is assembled in the USA. Vehicle fitment for the EngineQuest EQ-CH300AA spans a wide range of Ford models including the Bronco, E-100, E-150, E-250, E-350 Econoline and Club Wagon variants, F-100, F-150, F-250, F-350, and P-500. It is compatible with model years ranging from 1977 through 1996, specifically for the 4.9L (300 CID) L6 engine. Key OEM casting numbers it interchanges with include E7TE, E6TE, and E5TE. This product may contain chemicals known to the State of California to cause cancer and reproductive harm, as detailed on www.P65Warnings.ca.gov.

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

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandENGINEQUEST
Part NumberEQ-CH300AA
CategoryEngines and Components

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy