Select Your Ride

1
2
3

COMETIC Complete Gasket Kit - Big Twin C10123-030

Part Number: 09344744
COMETIC
(No reviews yet) Write a Review
SKU:
09344744
MPN:
C10123-030
Condition:
New
Availability:
Ships Same Business Day
Weight:
1.80 LBS
On Sale
MSRP: $287.65
Now: $270.00
Was: $287.65
— You save $17.65
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads

Description

A complete gasket kit is the foundation of a reliable engine—one failed seal can compromise performance and lead to costly downtime. The Cometic C10123-030 combines purpose-built materials for each application, ensuring consistent compression and leak-free operation across your Big Twin engine. This comprehensive kit eliminates the guesswork of sourcing individual gaskets and gives you the confidence to rebuild with precision.

Technical Specifications:

  • Multi-Layer Steel head gaskets
  • Steel Viton®-coated base gaskets
  • Blue Viton valve stem seals
  • AFM race-style exhaust gaskets
  • Primary cover gaskets included
  • Derby cover gaskets included
  • Inspection cover gaskets included
  • Motor gasket kit included
  • Fits Big Twin applications
  • USA manufactured
  • MPN: C10123-030
View AllClose

Specs

MATERIAL:
STEEL
TYPE:
COMPLETE
PRODUCT NAME:
GASKET KIT
UNITS:
KIT
THICKNESS IMPERIAL:
0,030'
THICKNESS METRIC:
0.76 MM
BORE SIZE:
3,937'
BORE SIZE IMPERIAL:
3.937'
MATERIAL:
AFM (ALUMINUM FOAM MATERIAL)
MATERIAL:
VITON
RIDING STYLE:
STREET
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for COMETIC Complete Gasket Kit - Big Twin C10123-030

View AllClose

FREE Shipping on orders of $99 or more!


Commercial Accounts

We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.



Easy 30-Day Returns

We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.


You May Also Like

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER