64mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set with Racing CDI Ignition Coil Performance Spark Plug

64mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set with Racing CDI Ignition Coil Performance Spark Plug

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: PartLimit

$172.99 Regular price $345.99

Valve Length: 64mm Application Baja 49cc 50cc 4stroke scooters like motorsports SC-50 sun city,primo,DR50,Dirt Runner 49 Biaotian BT49QT-2,BT49QT-7,BT49QT-9,BT50QT-9,BT50QT-11 Dotera 50QT-11 Eton 49cc 50cc 4stroke like Sport 50 Fly...

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Valve Length: 64mm

Application
Baja 49cc 50cc 4stroke scooters like motorsports SC-50 sun city,primo,DR50,Dirt Runner 49
Biaotian BT49QT-2,BT49QT-7,BT49QT-9,BT50QT-9,BT50QT-11 Dotera 50QT-11
Eton 49cc 50cc 4stroke like Sport 50
Fly 49cc 50cc 4-stroke scooters
Jalon JL50QT-15,JL50QT-16,JL50QT-18,JL50QT-21,JL50QT-21 Falcon
Jinlun 49cc 50cc 4-stroke scooters
Jonway 49cc 50cc 4 stroke scooters like warrior 50
Kymco 50cc 4 stroke like Agility 50,People S50 4T,Suer 8 50 4T
Pagsta mini 49cc
Roketa 49cc 50cc 4 stroke scooter such Bahama,Maui,Sicily,Tank,Baotian 50QT-9
Sinski XSJ50QT-6, XSJ50QT-B
SSR Lazer 5 Moped
Sunl SL50QT-16, SL50QT-18,SL50QT-2,SL50QT-3
Tank 49cc 50cc 4-stroke scooters
Taotao 49cc 50cc 4 stroke scooter such as GT5,Fastwind,AMT50-A1,CY50-A,CY50-B,CY50-T3,Funny50,Roman 50,Retro 50,Speedy50,Venus50 Verucci VC50TS-3M
VIP future champion 4 stroke
Zhong Hu 50cc,Zongshen Metro 50cc
Zongshen ZS50QT-4
and many more GY6 4-stroke 49cc 50cc 60cc 80cc 139qma and 139qmb engine

Specifications:
Bore: 50mm
Displacement:100cc
Pacakage Included:
1 x Cylinder Head with 64mm valve, WITHOUT camshaft, you have to use your stock one.
2 x Rocker Arms for 64mm Valves
1 x Oil Pump Assy with Driving Gear
1 x 50mm Bore Cylinder Block
1 x Set of 50mm Piston Assy, Piston, Rings and Wrist Pin
1 x Full Set of Engine Gasket
1 x Set of Intake Manifold and Muffler Bolts
1 x Set of 4 Gram Racing Roller Weights
1 x Set of 5 Gram Racing Roller Weights
1 x Racing AC CDI
1 x Racing Ignition Coil
2 x Racing 3-electrode A7TC Spark Plugs

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.