Big Bore Kit 50mm GY6 Performance Engine 64mm Valve


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This kit includes : 50mm Cylinder Bore Kit Non-EGR style with 64mm Valve installed Piston sets--50mm Cylinder Body Cylinder head--No ERG with 64mm Valve Roller weights Oil Pump Oil Sproket Whole set of Gaskets for short case of QMB139 engine. - Kits sold separately price: $39.99 Carburetor Assembly GY6 50cc engines Inner Diameter:19mm Outer Diameter:40mm Electric Chock:2pin, male plug) - sold separately price:$18.99 Intake Manifold Engine Mouth Side Inner Diameter:18.5mm Carb Mount Side Inner Diameter:27mm Bolt Hole Spacing:45mm)- sold separately price:$3.99 Insulator intake manifold Gasket GY6 50cc Center Hole Diameter:16mm Bolt Hole Spacing:45mm -sold separately price:$2.99 38mm Performance Air Filter Intake Inner Diameter:38mm -sold separately price:$4.99 GY6 50cc Complete Variator Kit Number of Teeth:62 Number of Splines:26 Outer Diameter:87mm Roller Weight:8.5g -sold separately price:$11.99 GY6 50cc Ignition Coil Overall Length:19 inches Wire Length:14 inches -sold separately price:$5.99 A/C Gy6 Performance CDI Split Plug:2 pin/4pin Dimension:38mm*74mm*30mm AC-Alternating Current) -sold separately price:$5.99 Vacuum Actuated Fuel Valve Pet Cock 4 Ports Bolt Hole Diameter:7mm -sold separately price:$4.99 Fuel Filter Universal in-Line Fuel Filter for Scooters -sold separately price:$0.99 Rocker Arm Set GY6 50cc Length:50mm Match for 64mm Valve -sold separately price:$4.49 Muffler exhaust Kit with Pipe. Fit for most of QMB139 Engine. Length:510mm Diameter:100mm -sold separately price:$52.99 Kit comes with 1more set of roller weight for backup. Each set is with 6 pcs roller weights.