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GY6 125cc, 150cc, 180cc - Cylinder Head - Valves - Camshaft - Covers - Parts

Keep your GY6 125cc, 150cc, and 180cc engine running strong with essential top-end components including cylinder heads, valves, camshafts, and related covers and hardware. This category includes complete head assemblies, valve sets, rocker arms, camshafts, gasketed covers, and small replacement parts used across most Chinese GY6 engines found in scooters, ATVs, and go-karts. Perfect for restoring compression, improving airflow, or rebuilding worn top-end systems for smoother performance and longer engine life.

GY6 125cc, 150cc, 180cc - Cylinder Head - Valves - Camshaft - Covers - Parts
31 Items
Spark Plug NGK C7HSA Fits Most GY6-50 QMB139 49cc, GY6-125, GY6-150 Chinese ATVs, GoKarts, Scooters

Spark Plug NGK C7HSA Fits Most GY6-50 QMB139 49cc, GY6-125, GY6-150 Chinese ATVs, GoKarts, Scooters

$6.29

Part #: 633975

CAM ADJUSTER GASKET Fits GY6-125, GY6-150 ATVs, GoKarts, Scooters

CAM ADJUSTER GASKET Fits GY6-125, GY6-150 ATVs, GoKarts, Scooters

$1.99

Part #: 634019

CAM TIMING CHAIN 90L GY6-125, GY6-150 Chinese ATVs, GoKarts, Scooters

CAM TIMING CHAIN 90L GY6-125, GY6-150 Chinese ATVs, GoKarts, Scooters

$14.99

Part #: 634844

BOTTOM TIMING CHAIN GUIDE Fits GY6-125, GY6-150 ATVs, GoKarts, Scooters, UTVs

BOTTOM TIMING CHAIN GUIDE Fits GY6-125, GY6-150 ATVs, GoKarts, Scooters, UTVs

$5.99

Part #: 634278

CAM TAPPET ADJUSTER Fits GY6-125, GY6-150 ATVs, GoKarts, Scooters

CAM TAPPET ADJUSTER Fits GY6-125, GY6-150 ATVs, GoKarts, Scooters

$14.99

Part #: 634276

VALVE SEAL Fits GY6-50-150cc Scooter, ATV, GoKart and 50-125cc Honda Copy ATV, Dirt Bike Engines

VALVE SEAL Fits GY6-50-150cc Scooter, ATV, GoKart and 50-125cc Honda Copy ATV, Dirt Bike Engines

$2.99

Part #: 633668

INSULATOR Fits Most GY6-125, GY6-150 ATVs, GoKarts, Scooters Bolt Ctr to Ctr=45 Hole=22 Thick=4mm

INSULATOR Fits Most GY6-125, GY6-150 ATVs, GoKarts, Scooters Bolt Ctr to Ctr=45 Hole=22 Thick=4mm

$3.49

Part #: 634079

INTAKE MANIFOLD Fits GY6-125, GY6-150 ATVs, GoKarts, Scooters, UTVs ID=22 ID=32 Bolts C/C=45mm Bolt Height=34mm 2 Nipple

INTAKE MANIFOLD Fits GY6-125, GY6-150 ATVs, GoKarts, Scooters, UTVs ID=22 ID=32 Bolts C/C=45mm Bolt Height=34mm 2 Nipple

$14.99

Part #: 634204

INTAKE STUD 6 x 63 Fits Most GY6-50, QMB139, GY6-125, GY6-150 & Honda Copy 50-125cc engines.

INTAKE STUD 6 x 63 Fits Most GY6-50, QMB139, GY6-125, GY6-150 & Honda Copy 50-125cc engines.

$1.99

Part #: 633555

VALVE OD=23mm L=80mm Fits Most GY6-125, GY6-150, + Others. Check specs before ordering.

VALVE OD=23mm L=80mm Fits Most GY6-125, GY6-150, + Others. Check specs before ordering.

$9.99

Part #: 634322

VALVE OD=28mm L=66mm Fits GY6125, GY6150, + others. Check specs before ordering.

VALVE OD=28mm L=66mm Fits GY6125, GY6150, + others. Check specs before ordering.

$9.99

Part #: 634533

VALVE OD=27mm L=81mm Fits GY6-125, GY6-150, + Others Checks specs before ordering.

VALVE OD=27mm L=81mm Fits GY6-125, GY6-150, + Others Checks specs before ordering.

$9.99

Part #: 634321

GY6-150 Valve Set Includes 2 Valves, 2 Springs, 2 Seals & retainer clips

GY6-150 Valve Set Includes 2 Valves, 2 Springs, 2 Seals & retainer clips

$22.99

Part #: 816139

CYLINDER VALVE RETAINER KEEPER (Pair) Fits Most GY6-50, QMB139, GY6-125, GY6-150 & Honda Copy 50-125cc engines.

CYLINDER VALVE RETAINER KEEPER (Pair) Fits Most GY6-50, QMB139, GY6-125, GY6-150 & Honda Copy 50-125cc engines.

$2.99

Part #: 633678

Cylinder Head Gasket 57mm GY6-150 (type 2) ATVs, GoKarts, Scooters Bolt Pattern 54 x 77mm Fits E-Ton Sport 150, Tomos Nitro 150, + More

Cylinder Head Gasket 57mm GY6-150 (type 2) ATVs, GoKarts, Scooters Bolt Pattern 54 x 77mm Fits E-Ton Sport 150, Tomos Nitro 150, + More

$6.99

Part #: 634423

Cylinder Head Gasket 61mm GY6-180 (type 1) ATVs, GoKarts, Scooters

Cylinder Head Gasket 61mm GY6-180 (type 1) ATVs, GoKarts, Scooters

$7.99

Part #: 634869

Cylinder Head Gasket 54mm GY6-125, ATVs, GoKarts, Scooters

Cylinder Head Gasket 54mm GY6-125, ATVs, GoKarts, Scooters

$5.99

Part #: 634018

Cylinder Head Gasket 57mm (type 1) Fits GY6-150 ATVs, Go Karts, Scooters, UTVs

Cylinder Head Gasket 57mm (type 1) Fits GY6-150 ATVs, Go Karts, Scooters, UTVs

$4.99

Part #: 634034

Sold out
Cylinder Head Type 2 GY6-150 ATVs, GoKarts, Scooters H=73 B=57 Exhaust Angle 12deg (with valves and springs) Fits E-Ton Sport 150, Tomos Nitro 150, + More

Cylinder Head Type 2 GY6-150 ATVs, GoKarts, Scooters H=73 B=57 Exhaust Angle 12deg (with valves and springs) Fits E-Ton Sport 150, Tomos Nitro 150, + More

$69.99

Part #: 634422

Cylinder Head Type 1 without EGR GY6-180 ATVs, GoKarts, Scooters H=60 B=61 (with valves and springs)

Cylinder Head Type 1 without EGR GY6-180 ATVs, GoKarts, Scooters H=60 B=61 (with valves and springs)

$59.99

Part #: 634963

Cylinder Head Type 1 EGR GY6-150 ATVs, GoKarts, Scooters H=60 B=57 (with valves and springs)

Cylinder Head Type 1 EGR GY6-150 ATVs, GoKarts, Scooters H=60 B=57 (with valves and springs)

$59.99

Part #: 815420

Cylinder Head Type 1 GY6150 ATVs, GoKarts, Scooters H=60 B=57 (with valves and springs)

Cylinder Head Type 1 GY6150 ATVs, GoKarts, Scooters H=60 B=57 (with valves and springs)

$49.99

Part #: 634563

Cylinder Head Type 1 GY6125 ATVs, GoKarts, Scooters H=60 B=54mm (w)ith valves and springs

Cylinder Head Type 1 GY6125 ATVs, GoKarts, Scooters H=60 B=54mm (w)ith valves and springs

$59.99

Part #: 634537

CAMSHAFT Sprocket 34T Fits GY6-125-150, Fits E-Ton Yukon YXL150, CXL150, Viper RXL150R, ATVs, Beamer R4-150, Matrix 150, Sport 150, Tomos Nitro Scooters + Others

CAMSHAFT Sprocket 34T Fits GY6-125-150, Fits E-Ton Yukon YXL150, CXL150, Viper RXL150R, ATVs, Beamer R4-150, Matrix 150, Sport 150, Tomos Nitro Scooters + Others

$19.99

Part #: 634280

GY6 50-150 Intake & Exhaust Stud Kit

GY6 50-150 Intake & Exhaust Stud Kit

$6.99

Part #: 816126

EXHAUST STUD SOLD PER PC 6mm X 30mm Fit Most 40-300cc Motors, GY6-50-125-150, used on Scooters, ATVs, Dirt Bikes, & Go Karts

EXHAUST STUD SOLD PER PC 6mm X 30mm Fit Most 40-300cc Motors, GY6-50-125-150, used on Scooters, ATVs, Dirt Bikes, & Go Karts

$1.69

Part #: 208201

Cylinder Head Cover GY6-150, ATVs, GoKarts, Scooters

Cylinder Head Cover GY6-150, ATVs, GoKarts, Scooters

$13.99

Part #: 634691

Rocker Arm Assembly GY6-125, GY6-150 Chinese ATVs, GoKarts, Scooters

Rocker Arm Assembly GY6-125, GY6-150 Chinese ATVs, GoKarts, Scooters

$24.99

Part #: 634314

VALVE COVER GASKET Fits GY6-125-150, E-Ton Yukon YXL150, CXL150, Viper RXL150R, ATVs, Beamer R4-150, Matrix 150 Scooters + Others

VALVE COVER GASKET Fits GY6-125-150, E-Ton Yukon YXL150, CXL150, Viper RXL150R, ATVs, Beamer R4-150, Matrix 150 Scooters + Others

$3.99

Part #: 634035

Cylinder Head Cover without EGR GY6-150, ATVs, GoKarts, Scooters

Cylinder Head Cover without EGR GY6-150, ATVs, GoKarts, Scooters

$9.99

Part #: 634261

Cylinder Head Cover with EGR GY6-150, ATVs, GoKarts, Scooters

Cylinder Head Cover with EGR GY6-150, ATVs, GoKarts, Scooters

$26.99

Part #: 815616

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