Kit includes jets, needle, spring, shim and instructions
Stage 1
For mildly tuned machines using the stock airbox with stock or aftermarket filter, may also be used with a good aftermarket exhaust system.
Stage 2
For mildly tuned machines using the stock, modified airbox or with the lid removed and the stock or an aftermarket filter, may also be used with a good aftermarket exhaust system
Stage 3
For mildly tuned machines with the stock airbox removed, using a K&Naftermarket filter, should also be used with a good aftermarket exhaust system