525 Valve Cover Breathers ( SOLD AS A SET )(NOTE: This is one front and one back) unlike most spacers in the

unlike most spacers in the racing industry we are used to

What is a Velocity stack

The tube can easily be cut or modified to fit as needed

This is false

525 Valve Cover Breathers ( SOLD AS A SET )(NOTE: This is one front and one back) unlike most spacers in theThe common misconception about valve cover breathers, is the filter media used in your most common breathers is for filtering air into the engine. This is false. The motor experiences constant blow by, therefore, constant pressure is being emitted from the crank case. As your "filter" clogs up with oil & dirt during racing conditions, the rate at which the engine can relieve the constant pressure slows down. Increased crank case pressure puts pressure