My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
MY GARAGE Select Vehicle
Track
My Order
MY GARAGE

Cometic C5666-051 Ford 385 Series MLS Cylinder Head Gasket 4.400" Bore .051"

Manufacturer

Picture for manufacturer Cometic

Part Number

C5666-051
6 reviews
Sale Price

$110.24

Estimated ship date Tuesday, October 20

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Cometic C5666-051 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Ford 385 Series big block engines. Featuring a 4.400-inch bore diameter and .051-inch compressed thickness, this gasket delivers exceptional sealing performance for high-performance and racing applications.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior strength and durability
  • 4.400-inch bore diameter optimized for stroker and oversized builds
  • .051-inch compressed thickness for precise compression ratio tuning
  • Advanced embossment technology ensures consistent cylinder sealing
  • Designed for Ford 385 Series engines (429, 460 variants)
  • Withstands extreme combustion pressures and temperatures
  • Compatible with aluminum and iron cylinder heads

Cometic MLS gaskets feature multiple layers of stainless steel with proprietary coatings that conform to surface imperfections while maintaining structural integrity. The precision-engineered design eliminates leak paths and provides reliable performance in demanding street, strip, and marine applications.

Products specifications

Prop 65 (C, R or CR)

CR

Prop 65 Yes/No

Yes

Material

Multi-layer Steel

Prop 65 - Short Label

Prop_65.jpg

Prop 65 - Short Label

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Prop 65 Warning Label

Prop_65.jpg

Best price around. Great Communication. Fast shipping. What else can I ask for?<br>I have already purchased again from them.

I'm glad that I found the part those I need here !

Best pricing I found anywhere on the part I needed, quick shipping, no hassle. Definitely going to be a repeat customer.

Very fast shipping, lowest prices on the web.

GOOD

Great prices and fast shipping. I had a question about the product and the had all the answers. I would definitely shop here again.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy