Jr motorsports

[jbh25]

Has anyone ever run a jr motorsports motor and how do the hold up

[racin6mod]

I helped a racer a couple years ago that ran a jr motorsports 406 with track one heads it ran strong and held up for two seasons and was sold with the car.

[BPRC MAN]

I helped a racer a couple years ago that ran a jr motorsports 406 with track one heads it ran strong and held up for two seasons and was sold with the car.

We have a JR 377 and are very happy with the power and the relieablity.