Black CNC Square Cylinder Head For Racing 66cc 80cc Engine Motorized Bicycle

$ 39.99

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Black CNC Square Racing Cylinder Head for 66cc/80cc Motorized Bicycle Engines

Upgrade your motorized bicycle engine with this black CNC-machined square cylinder head. Its large finned design increases the available cooling surface area to help dissipate engine heat, making it a practical replacement or performance upgrade for compatible 66cc and 80cc two-stroke bicycle engines.

Product Details

Condition: New
Type: Square racing cylinder head
Construction: CNC-machined metal
Finish: Black
Engine compatibility: Common 66cc/80cc two-stroke motorized bicycle engines
Overall dimensions: Approximately 108 × 108 × 49 mm
Mounting-hole spacing: Approximately 45 mm
Mounting-hole diameter: Approximately 9 mm
Center threaded opening: Approximately 13 mm
Deep cooling fins provide improved heat-dissipation capacity
Four-hole mounting configuration
Center spark-plug opening

Package Includes

1 × black CNC square cylinder head
1 × cylinder-head gasket

Important Fitment Information

Motorized bicycle engines can vary even when advertised with the same displacement. Before ordering, compare the listed dimensions, 45 mm mounting-hole spacing, combustion-chamber design, spark-plug thread, and gasket pattern with your existing cylinder head.

Installation hardware and spark plug are not included. Professional installation is recommended, and the cylinder-head fasteners should be tightened evenly to the engine manufacturer’s specified torque.

Fitment and compatibility

Application reference: Black CNC Square Cylinder Head For Racing 66cc 80cc Engine Motorized Bicycle

Fitment can vary by production date, trim, drivetrain, factory options, connector style and installed equipment. Before ordering, compare the original component, mounting points, electrical connections and specifications with the listing photographs and details.

Part number information

Part number / catalog reference: Not provided in the source catalog

Part numbers may have supersessions or regional variations. Match at least one reference number and the physical configuration to the original part whenever possible.

Package and installation notes

Quantity is one product unless the title, variant selection or photographs clearly state otherwise. Professional installation is recommended for electrical, safety-related and drivetrain components.