Winters raptor magnesium 2 speed trans

[dirty white boy]

do these transmisions work as good as the burt-brinns do??

http://www.racingjunk.com/category/1...ED-TRANS-.html

[mqdirtracer57]

It appears that the Raptor uses an External clutch.The External clutch would add mass to the back of crank,causing a loss in accelleration. If this is being used in a late model. I would go with a Bert or Brinn because of the internal clutch set up.