Shin Yea Cygnus Intake Manifold | 50mm GY6 4V

Unlock the full potential of your Cygnus-style 4-valve head with the Shin Yea Performance Intake Manifold . Designed specifically for Cygnus-style heads — such as those found on the 232cc 4V power kit — this manifold is compatible with both fuel injection and carbureted setups, making it one of the most versatile performance intakes available for GY6-based builds. Key Features Carb & FI Compatible: Works with fuel injection or carburetors. Fits CVK carbs from 24mm to 30mm and PWK carbs up to 30mm (vacuum fitting block-off included). Performance Flow: 35mm carb-side bore and 32mm engine-side bore for improved airflow over stock manifolds. Includes Gasket: Ready to install with the included head gasket. Made in Taiwan: Shin Yea precision manufacturing for consistent fitment and quality. Technical Specifications Bolt Hole Spacing: 50mm Inner Diameter (carb side): 35mm Inner Diameter (engine side): 32mm Vacuum Points: 1 Includes: Gasket, vacuum fitting block-off Compatible Engines: GY6 QMI/QMJ 152/157 with Cygnus-style 4V heads Made in: Taiwan SKU: 169-588 ?? Important: This manifold will NOT fit standard GY6 heads . It is designed exclusively for Cygnus-style 4-valve heads. An intake spacer is still required on most builds — see related items for the correct spacer. ?? Off-Road Use Only: This product is not intended for use on public roads or land. ?? California Prop 65 Warning