TC Bros. Breather Bolts For your 1991-UP Sportster & EVO Big Twin Harley Motor. These bolts are the cleanest way to solve your crankcase venting issues when installing aftermarket air cleaners on your Harley. They are fully CNC machined 6061 aluminum that is polished for a super clean look! They include stainless steel vent screens, stainless washers, circlips and foam filter elements. No more ugly hoses and bulky breather filters to deal with!
MADE IN USA
Note: These breather bolts must be used with a carburetor support bracket. They work great with Sportster Carburetor Support Bracket (not included).