NCY Oil Cap Crankcase Decompression Tube M20x2.5p K&N Filters The PHBG Racing Carburetors which

The PHBG Racing Carburetors which is ideal for 70cc big bore engines

It comes with a thinner gasket for higher compression and a thicker gaster to help lower compression

Please remember that you will have to split the case to install this crankshaft

but we recommend pairing it with a flat track style bar

NCY Oil Cap Crankcase Decompression Tube M20x2.5p K&N Filters The PHBG Racing Carburetors whichThe NCY Decompression tube fits most motorcycles dipstick location. The issue with some vehicles that are big bored or modified is that a large amount of pressure is created in the crankcase. The small breather tube for the crankcase just doesn't always cut it. This tube is made to relieve the case pressure through a long tube. We recommend installing these tubes with a big bore kit.