Designed and calibrated for serious street high-performance engines

Easy to adjust, out-of-the-box performance with no ''failure-prone'' power valves

Well equipped with a high-capacity accelerator pump and high-lift boosters No plastic parts to break and no power valves to blow out Comes with 113 primary metering jets, 101 secondary metering jets and 0. 071 x 0. 047 metering rods