Cometic C9603-1 HD Sportster Base Gasket Fiber - 1000cc 031 1972-85

The Cometic C9603-1 is a high-quality fiber base gasket engineered specifically for Harley-Davidson Sportster models with 1000cc engines from 1972 to 1985. This precision-cut gasket provides a reliable seal between the cylinder and crankcase, preventing oil leaks and maintaining proper engine compression.

Key Features:

• Manufactured from durable .031" fiber material for excellent sealing properties
• Designed to OEM specifications for precise fit and reliable performance
• Resists oil, fuel, and high temperatures for long-lasting durability
• Helps maintain proper cylinder-to-crankcase seal during engine rebuilds or maintenance
• Single gasket per package for individual cylinder service

Cometic Gasket is a trusted name in the powersports industry, known for producing premium gaskets using advanced materials and manufacturing processes. This base gasket is an essential component for engine rebuilds, cylinder replacements, or routine maintenance on vintage Sportster motorcycles.