Quote Originally Posted by captdwayne View Post
It's a 300 powerhead.
on a 300 throttle body a spacer plate the velocity stack a flash with a limiter increase makes some good hp...you have to do away with the air cover for the throttle body and the oil drain back if the motor is tiltled you get some oil under the cover not much it the only side effect..... you can still use the cover if you do just the throttle body but not the spacer and velocity stack