The Kooks Header Flange features a 3/8-inch thick stainless steel construction and is designed for LSX engines using 1-7/8-inch round primary tubes.
This precision-cut flange serves as a reliable base for custom header fabrication, offering durability, resistance to warping, and a consistent sealing surface for high-performance builds. Its round port design supports optimal exhaust flow, while the stainless steel material ensures long-term performance even under high heat. Ideal for professional fabricators and engine builders working on LSX-based projects.
Key Features:
Constructed from 3/8-inch thick stainless steel for strength and thermal stability
Designed to fit LSX engine platforms with 1-7/8-inch round primary ports
CNC-machined for accurate port alignment and consistent weld preparation
Compatible with custom header builds and race applications
Corrosion-resistant for improved longevity in demanding environments
Provides a stable surface for gasket sealing and prevents exhaust leaks
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