Cometic C3144 EST Top End Gasket Kit 105.5mm Bore for Yamaha 700 ATV UTV

The Cometic C3144 EST (Extreme Sealing Technology) Top End Gasket Kit delivers professional-grade sealing for Yamaha 700cc ATV and UTV engines with a 105.5mm bore. Featuring a .027" thick Multi-Layer Steel (MLS) cylinder head gasket, this kit is engineered to handle the high cylinder pressures, extreme temperatures, and elevated clamp loads demanded by today's high-output four-stroke engines. Made in the USA, this kit is trusted by professional builders and enthusiasts alike for both stock rebuilds and performance applications.

Kit Contents:

• 105.5mm bore, .027" MLS cylinder head gasket (sold without oil seals)
• Base gasket with Viton®-coated rubber and steel core construction
• Cam chain tensioner gasket
• Exhaust pipe gasket
• Throttle body O-ring, water pump O-ring, thermostat O-ring, cam cover O-ring, and valve cover O-rings
• All cylinder O-rings and top-end-specific seals required for a complete top end R&R

MLS Head Gasket Technology:

• Constructed with two embossed, Viton®-coated stainless steel outer layers and a variable stainless steel center layer
• Promotes even torque load distribution across the sealing surface for reduced bore distortion and improved piston ring seal
• Draws heat away from the combustion ring and dissipates it evenly across the gasket surface, eliminating hot spots and gasket failure

Specifications:

• Head Gasket Material: MLS (Multi-Layer Steel)
• Head Gasket Thickness: .027"
• Cylinder Bore: 105.5mm
• Oil Seals Included: No
• Manufacturer Part Number: C3144-EST
• UPC: 191070039646
• Made in the USA

Cometic's EST gasket kits meet and exceed OE specifications, making the C3144 the go-to choice for complete top end engine rebuilds on Yamaha 700 platform engines across multiple models and model years.