Shin Yea performance intake manifold for GY6-based engines with Cygnus-style 4-valve cylinder heads (QMJ/QMI 152/157). . Compatible with both fuel injection and carbureted setups. Includes head gasket.
Important: This manifold will NOT fit standard GY6 heads � it is designed exclusively for Cygnus-style 4-valve heads. An intake spacer may still be 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.
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