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 C9221-4250-030 Complete Gasket Kit for Harley-Davidson Dyna Softail - 99-05

Part of: Cometic Complete Gasket Kit for Harley-Davidson Twin Cam

Other options in this family: Cometic C3825 Cometic C9171 Cometic C3827 Cometic C9953 Cometic C9846F

Manufacturer

Picture for manufacturer Cometic

Part Number

C9221-4250-030
8 reviews
Sale Price

$160.90

Estimated ship date Friday, November 27

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 C9221-4250-030 is a complete gasket kit engineered specifically for 1999-2005 Harley-Davidson Dyna and Softail models with 4.250" bore engines. This comprehensive EST (Extreme Sealing Technology) kit provides all the essential gaskets needed for a complete engine rebuild or restoration.

Key Features:

  • 4.250" bore size for precise fitment on Big Twin engines
  • 0.030" head gasket thickness for optimal compression control
  • 0.020" base gasket thickness for proper engine spacing
  • Multi-Layer Steel (MLS) head gaskets with EST technology for superior sealing
  • Complete kit includes head, base, and all necessary engine gaskets
  • Premium materials resist warping and maintain seal integrity under extreme heat
  • Designed for heavy-duty applications and performance builds

Cometic gaskets are manufactured using advanced materials and precision engineering to deliver reliable sealing performance in demanding motorcycle applications. This complete kit eliminates the need to source individual gaskets, ensuring you have all the components required for proper engine assembly.

Great customer service!

b bvb

Quick and easy

Great service and fast delivery an a part that has been impossible to find! Kudos!

Skeptical at first cause of price difference compared to other sellers, researched site and after receiving as ordered and within 3 days, skepticism fully removed.

Think I might have found a new parts place as long as everything checks out

Ordering amd shipping was easy but I am trying to make a return still

They had what I was looking for!

Share icon
Return Policy
Returns are easy at Autoplicity

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