Buy ✔️ BMI Briggs & Stratton Quarter Midget Gearbox (6:1) ❤️

This gearbox, part number 555721, features a dual ball-bearing, O-ring case with the convenience of a bottom oil drain.

It is specifically designed to work with the Animal M-Series Quarter (1/4) Midget Racing Engine.

“With the growth of the World Formula in Quarter Midget racing we worked over the last year to develop a critical missing link in our product line, a factory offered gearbox”
– Stated Dave Klaus, Director – Briggs & Stratton Racing.