These kits include a set of 4 one size larger Pilot Jets (#38), a set of 4 three sizes larger main Jets ( #132 ) and 2 needle shims for each carburetor.
Stage 3 is for motorcycles with stock or lightly modified engines with individual air intakes and baffled aftermarket exhaust system.
This Jet Kit will compensate for the lean running condition.
Lean running conditions can destroy your engine and decreases overall performance.
this Jet kit is easy to install and does not require drilling the needle slides but does require some basic carburetor tuning knowledge.