M7960
This model is designed for low to mid range torque characteristics. The response is immediate with the light use of the throttle. Max boost is achieved at 4000 RPM. Best suited for street tuned cars and weekend track machines. Great for drifting, and grip race applications, with the best driving characteristics.
PART NUMBER: 173019
 
M8270
This model is designed for high power at high RPM. With full boost on the bench test at 4,500 RPM and will maintain it all the way to high RPM without dropping. This will best suit the dedicated track cars that need best power at high RPM.
PART NUMBER: 173020