My Account
My Garage
Shopping Cart

Shopping Cart

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

Cometic H1528SP4066S Multi-Layer Steel Head Gasket Bore Thickness - 66mm 0.040

Part of: Cometic Head Gasket for Harley-Davidson Engines

Other options in this family: Cometic C10084030 Cometic C10362 Cometic C10085040 Cometic H1771SPBH094C Cometic C10166030

Manufacturer

Picture for manufacturer Cometic

Part Number

H1528SP4066S
12 reviews
Sale Price

$129.26

Estimated ship date Tuesday, November 24

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 H1528SP4066S is a precision-engineered Multi-Layer Steel (MLS) head gasket designed for high-performance engine applications. This gasket features Cometic's proven Street Pro construction, combining exceptional sealing capability with durability for demanding motorsports environments.

Key Features:

  • Multi-Layer Steel construction with stainless steel outer layers
  • Viton rubber coating for superior sealing and resistance to fluids
  • 0.040" (1.02mm) compressed thickness for precise compression ratio tuning
  • 66mm bore diameter for optimized cylinder sealing
  • Embossed design allows for minor surface imperfections
  • Withstands extreme cylinder pressures and temperatures
  • Suitable for street performance and racing applications
  • Made in the USA

Cometic MLS head gaskets are the preferred choice for engine builders and performance enthusiasts who demand reliable sealing under extreme conditions. The multi-layer design provides excellent combustion sealing while accommodating thermal expansion and contraction during engine operation.

good seamless fast website and good prices

Great pricing

quick and efficient

Quick and easy

We ordered the 63 Quart ARB Fridge Freezer and we are very pleased with Autoplicity. The order process on the website was quick and easy. The item was shipped out the next day and we received it within one week. This particular item has been difficult to find and we were very pleased with Autoplicity's pricing and shipping. Thank you for the great service!

first time ive order from here and my experience was great! shipping was crazy fast. and they had the best price shipped on the 2jz arp head stud set i could find. also how on their site they actually list if they have the part in stock and how many which is very helpful. ive payed for parts to find out the vender didn't even have them available. which lead to more down time. and we all hate down time :)

Great! My part got here BEFORE the estimated delivery date! Now I may be able to complete my project in time! THANKS!!!

The items that I was looking for were easy to find.

I was apprehensiveness at first to make a major purchase with Autoplicity due to their extremely low price and lack of reviews. I decided to take the chance and I am very glad I did. I made my order on a Monday morning at 0900 eastern time and my product arrived on Wednesday at 3pm. The item was exactly as described and the most astonishing part is that my purchase was released from the factory less than 45 days ago. I was expecting a model that had been sitting on a shelf for the last year and needed to be updated. That was not the case. I will definitely order from Autoplicity again in the future.

Good pricing is what brought me here. But I also appreciated the good detail specs about the part I purchased.

Great price, seems to be quick processing

Vehicle Specific part look up was a bit off on the bilstein products. Hard to find the rears required for my truck.

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