Velocity Stacks and Plugs

It is now time to plug the 4 injector bosses and the 8 secondary throttle linkage holes. To do this I will be ordering 3/8" aluminum rod to plug the holes and then cut to length, welded in and shaped flat on the outside and contour matched on the inside.

I will also be ordering 4 - 40mm ID x 120mm long velocity stacks made out of 2mm spun aluminum. These will be welded to the inlets on the ITBs. The bellmouths OD are 84mm which will allow 6mm between each bellmouth to fit a sock style air filter on. These stacks will give me the best balance of low rpm usability and high rpm power.