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Big Bore Kits / Engine Component

Big bore kits and performance engine components for your 125cc or 150cc GY6 scooter.
Product Image Item Name- Price
180cc Cylinder Head

180cc Cylinder Head for the 180cc Big B...

$105.99
180cc GY6 Cylinder Head & Base Gasket

63mm Cylinder Head and Cylinder Base ga...

$10.99
180cc GY6B Gasket Set

Gasket set for GY6B short-case engines ...

$28.99
Cylinder Set for 180cc Power Kit

Cylinder Set for 180cc Power Kit. This ...

$149.99
GY6 180cc Power Kit

180cc Big Bore Power Kit for 150cc and ...

$389.99
GY6 61mm Cylinder Gasket Set

Hoca Cylinder Head and Cylinder Base Ga...

$10.99
GY6 63mm Cylinder Gasket Set

Hoca Cylinder Head and Cylinder Base Ga...

$10.99
GY6 High Tension Ignition Coil

GY tension performance ignition coil fo...

$29.99
GY6 High Tension Ignition Coil

GY tension performance ignition coil fo...

$29.99
GY6 High Tension Ignition Coil

GY tension performance ignition coil fo...

$39.99 $29.99Save: 25% off
GY6 Left CVT Cover, Type-2

Left CVT Cover, Type-2 for 150cc GY6 4-...

$49.99
Hoca 4-Valve Cylinder Head Kit Honda

Hoca 4-Valve Cylinder Head Kit Honda. L...

$299.99


New Products For July - FULL-SIZE SCOOTERS PARTS

Hoca Spark Plug Cap

Hoca Spark Plug Cap 120 Degree Elbow No...

$4.99
GY6 High Tension Ignition Coil

GY tension performance ignition coil fo...

$29.99
GY6 High Tension Ignition Coil

GY tension performance ignition coil fo...

$39.99 $29.99Save: 25% off
Hoca GY6 58.5mm Cylinder Head

Hoca GY6 58.5mm Complete Cylinder Head ...

$89.99
Hoca GY6 63mm Cylinder Head

Hoca GY6 63mm Complete Cylinder Head fo...

$89.99
Hoca Forged GY6 Piston Kit

Hoca Performance High Compression Forge...

$84.99

Monthly Specials For July

GY6 High Tension Ignition Coil

GY tension performance ignition coil fo...

$39.99 $29.99Save: 25% off