Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.

Additional Information

Suzuki 2000+ DR-Z400S, 2005+ DR-Z400SM, LT-Z400; Kawasaki KFX400/KLX400SR; Arctic Cat 400 DVX Top End Gasket Kit, 94mm Bore, .027" MLS Cylinder Head Gasket

Part Type

Engine Top End Kit

Features and Benefits

• All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
• High Performance Gasket Kits

Product Details

• All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
• High Performance Gasket Kits

Cometic Gasket EST (Extreme Sealing Technology) top-end gasket kits contain the most technologically advanced materials available to ensure a critical seal and superior durability that meet and exceed OE specifications. These Cometic Gasket EST top-end gasket kits are complete with a head gasket, a base gasket, and designated kits include reed, power valve, and exhaust gaskets. Cometic multi-layer steel head gaskets are comprised of two embossed Viton® coated stainless steel outer layers and a variable stainless center layer. The base gaskets are Viton® coated rubber with a steel core. Some of these kits include engine cover gaskets made from AFM material--a nitrile synthetic rubber that is bonded to an aluminum core.

Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.

Detailed Compatibility

This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.