Cometic EST 4-Stroke Top End Gasket Kit - 91mm Bore - C3784-EST

Elevate your motorcycle's engine performance and reliability with the Cometic Hi-Performance 4-Stroke Top End Gasket Kit. Engineered for today's most demanding machines, this kit provides a superior seal for optimal power and longevity, ensuring a confident rebuild or repair.

Description

The Cometic Hi-Performance 4-Stroke Top End Gasket Kit is meticulously designed to meet the rigorous demands of high-output 4-stroke naturally aspirated and boosted engines. This comprehensive kit includes the correct base gasket, head gasket, and essential cylinder O-rings, along with other top-end specific O-rings and seals required for a complete removal and replacement (R&R) of your engine's top end. At its core, the kit features advanced MLS (Multi-Layer Steel) head gaskets. These innovative gaskets are crafted to promote an even torque load across the entire sealing surface, significantly reducing bore distortion and improving the piston ring seal for enhanced power output and efficiency. The multi-layered steel design, coupled with outer layers embossed and coated with a durable Viton rubber, ensures exceptional performance under high-horsepower and extreme cylinder pressure conditions. Furthermore, the EST (Extreme Sealing Technology) incorporated into the embossed stainless steel head, base, and rocker gaskets, covered with a proprietary rubber material, guarantees a robust and reliable seal. The specialized head gasket material actively draws heat away from the combustion ring, dissipating it evenly across the gasket surface to eliminate damaging hot spots and prevent premature gasket failure, ultimately extending engine life. Proudly made in the USA, this kit is the ultimate choice for enthusiasts and professionals seeking uncompromised quality and performance for their 91.00 mm (3.582") bore 4-stroke engines.

Features & Highlights

• Complete Top End Rebuild Solution: This comprehensive kit includes all necessary base gaskets, head gaskets, cylinder O-rings, and other critical seals for a thorough and reliable top end removal and replacement (R&R).
• Advanced MLS Head Gaskets: Utilizes Multi-Layer Steel (MLS) head gaskets to ensure an even torque load, minimizing bore distortion and optimizing piston ring seal for maximum power and efficiency in your 4-stroke engine.
• Extreme Sealing Technology (EST): Features embossed stainless steel head, base, and rocker gaskets coated with a proprietary rubber material, providing superior sealing integrity even in high-pressure, high-temperature environments.
• Optimized for High-Output 4-Stroke Engines: Engineered with a multi-layered steel design and Viton rubber coating, specifically tailored to withstand the demands of today's highest-output naturally aspirated and boosted 4-stroke machines.
• Enhanced Heat Dissipation: Special head gasket material effectively draws heat away from the combustion ring, distributing it evenly across the gasket surface to prevent hot spots and significantly reduce the risk of gasket failure.
• Precision Fit for 91.00 mm Bore: Designed to provide a perfect fit and seal for engines with a 91.00 mm (3.582") bore.
• Made in the USA: Manufactured with pride in the USA, ensuring exceptional quality, durability, and performance standards.

Technical Specifications

• Type: Top End Gasket Kit
• Model: Hi-Performance
• Engine Type: 4-Stroke
• Material: MLS (Multi-layer Steel)
• Bore Size: 91.00 mm (3.582")
• Units: Kit
• Vendor Part Number: C3784-EST