SCE 111087 – AccuSeal Exhaust Gasket | GM 604 D-Port

SCE 111087 – AccuSeal Exhaust Gasket | GM 604 D-Port

The SCE AccuSeal Exhaust Gasket is designed for high-temperature and high-pressure exhaust header or manifold applications. Built with a Kevlar® and graphite material combination, these gaskets provide exceptional durability, sealing performance, and resistance to extreme exhaust heat.

Designed to fit GM 604 Crate Engines with LT1/LT4 D-Port exhaust ports, these gaskets deliver a reliable seal while maintaining strength under demanding racing conditions. The material construction also allows the gasket to be easily trimmed for modified port applications, providing flexibility for custom setups.

Features & Specifications

• Designed for exhaust header and manifold applications
• Kevlar® and graphite material construction for extreme heat resistance
• Provides excellent strength and sealing durability
• Can be trimmed for modified port applications
• Fits GM 604 Crate Engine LT1/LT4 D-Port exhaust ports
• Port size: 1.375" height x 1.450" width
• Sold as a pair