SpeedFactory Racing LS / VTEC Conversion Kit - SF-02-301The SpeedFactory Racing LS VTEC Kit is designed for those adding a VTEC head to an LS(B18A B) or B20 engine set up that want the highest quality, complete solution available. Our design was fully engineered with 46% more oil flow through the sandwich plate body to the oil filter, enough extra 1 8 NPT ports to allow you not only feed a turbo but also fit an oil pressure or temp sensor, and precision hardened chromoly alignment dowels that won't deflect