COMETIC C9891 Motor Gasket Kit for 1984-1991 Harley-Davidson Big Twin Engines

Motor Gasket Kit - Standard - '84-'91 Big Twin

The COMETIC C9891 Motor Gasket Kit is designed specifically for Harley-Davidson Big Twin engines from 1984 to 1991, offering high-quality components for optimal engine sealing and performance. Each gasket within this kit is crafted from premium materials tailored to its specific application, ensuring durability and reliable sealing under various operating conditions. The kit includes Multi-Layer Steel (MLS) head gaskets, which provide excellent strength and heat resistance for demanding engine environments. Steel Viton®-coated base gaskets enhance sealing integrity, reducing the risk of leaks and improving engine longevity. Blue Viton® valve stem seals are included to prevent oil consumption and maintain valve function at high temperatures. Additionally, aluminum foam material (AFM) race-style exhaust gaskets are incorporated to deliver superior exhaust sealing and improve exhaust flow efficiency. Made in the USA, this gasket kit guarantees quality and craftsmanship, providing peace of mind for both professional mechanics and DIY enthusiasts.

Features:

• High-quality MLS head gaskets for superior sealing and heat resistance

• Steel Viton®-coated base gaskets for enhanced durability and leak prevention

• Blue Viton® valve stem seals designed to reduce oil consumption

• Aluminum Foam Material (AFM) race-style exhaust gaskets for improved exhaust sealing

• Manufactured in the USA with premium materials for reliable performance