ThunderJet s patented third fuel circuit delivers needed fuel to the engine only at higher rpm (4,500 and up)
Allows use of the main jet to tune for smooth, broad mid-range power – supplement the top-end with the ThunderJet
Jets are used to control the amount of fuel sent to the engine
Comes with complete installation/tuning instructions and extra jets
The system can operate over a wide range of altitude and atmospheric conditions
ThunderPro ThunderJet is designed for today s larger-displacement engines, with a higher capacity fuel delivery tube for increased volume when used in larger, high-rpm engines