Get faster, smoother throttle response where you need it most. Installed in your throttle bodyās Venturi tube, the precision-engineered sleeve reduces the diameter and accelerates the velocity of your air-fuel mix.
Add the thinner butterfly valve and less obstructive shaft, and youāve got faster, more even throttle response through low- and mid-range.
For better top-end throttle response (90-100% open throttle position), use the kitās larger butterfly valve without the sleeve.