Breather Bolts for Twin Cam

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TC Bros. Breather Bolts For your 1999-2017 Twin Cam Harley Motors (does not fit Sportster models) These bolts are the cleanest way to solve your crankcase venting issues when installing aftermarket air cleaners on your Harley, so you can stop looking like a nerd at your local bike night. Fully CNC machined 6061 aluminum. Include stainless steel vent screens, stainless washers, circlips and foam filter elements. These work great with TC Bros. Carburetor Support Brackets.