1-v force reeds have these.2 cut head 20 thous double up base gasket to maintain stock squish. 3-change main jets up 6 sizes. 4-change ramps to 286. 5-change roller pins to solid steel. 6- change spring to red-red. 7- change helix to 50-44.is there another spring that would work with out the high engagement.but still have the finish.