This engine package comes with carburetor, intake manifold, starter, shifter, air filter, Cdi and Coil. Compression Ratio: 10.5:1. The item "139QMB 50CC 4 STROKE GY6 SCOOTER ENGINE MOTOR AUTO CARB LONG CASE V EN28" is in sale since Wednesday, August 15, 2012. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts".The seller is "vmotorv" and is located in Ontario, California. This item can be shipped worldwide.