Originally Posted By racerx
Originally Posted By FastmOp
440Source.


Fastmop…...is this what you use?I know this is a old post,but i'm researching cranks and came cross this..... wave


Yes I run a 440source 4.5 crank with a 2.2 pin. Been turning it 7600 this year. 4.80's at 151 MPH in the 1/8. I will not take it apart this winter.