A9 high performance Hi-Lift camshaft assembly. 3 upgraded size carburetor main jets. The item "180CC BIG BORE CYLINDER KIT BBK TOMBERLIN CROSSFIRE 150CC TO 180CC GO KART CART" is in sale since Friday, June 6, 2014. This item is in the category "eBay Motors\Parts & Accessories\Other Vehicle Parts\Go Kart Parts".The seller is "imotorpartsusa" and is located in Los Angeles, California. This item can be shipped worldwide.