Cometic C9854F-1250 EST Top End Rebuild Kit for Harley Sportster 1200 .030" MLS Head Gasket

The Cometic C9854F-1250 EST (Extreme Sealing Technology) Top End Rebuild Kit provides a complete gasket and seal solution for 1991-2003 Harley-Davidson Sportster 1200 Evolution engines with a 3.500" bore. This premium kit includes everything needed to rebuild the top end from the cylinder base upward, featuring advanced materials engineered to withstand high heat, pressure, and compression.

Key Features:

• .030" Multi-Layer Steel (MLS) head gaskets with embossed stainless steel construction and proprietary rubber coating
• MLS technology draws heat away from combustion ring and dissipates it evenly to eliminate hot spots and gasket failure
• Viton-coated steel base gaskets for superior temperature and chemical resistance
• Blue Viton valve stem seals for improved oil control
• One-piece embossed rocker box base gasket made from .020" thick Viton-coated steel
• Race-style exhaust gaskets that won't fray into the port
• Complete set includes all necessary gaskets, seals, O-rings, and washers from base to rocker boxes
• Proudly made in the USA with premium materials for maximum durability

Cometic EST kits represent the pinnacle of gasket technology, designed for builders who demand the best performance and long-term reliability. These gaskets are ideal for stock rebuilds, performance applications, and high-compression builds on Harley Sportster 1200 models.