weight: 0.24totally eliminates the spitting and popping that the 40mm cv carburetor is prone to doimproves throttle response dramatically and will increase power by up to 5 horsepowerfully adjustable for everything from stock to highly modified enginesthe flow control needles feature 6 different settings for exact mid-range tunabilityincludes 4 main jets with sizes from 165 to 195the power ...