TC Bros. Breather Bolts for Harley-Davidson Twin Cam Frames & Fenders Metric Parts It slips in place and

It slips in place and seals the primary with the included O-ring and is retained by the Pro Series Mids Kit

- Feet Kit

Designed with extra current capacity for starting high-compression motors

1/4" thick American made mild steel for easy welding

TC Bros. Breather Bolts for Harley-Davidson Twin Cam Frames & Fenders Metric Parts It slips in place andTC Bros. Breather Bolts for Harley Davidson Twin Cam Stock airboxes on Harley Davidson Twin Cams integrate a provision for crankcase breathing through the cylinder heads. Eliminating the airbox to run an aftermarket air cleaner also eliminates the hollow breathing bolts. Fits all Twin Cam 1999 2017 Available in Raw Machined or Black finish Permits use of many aftermarket air cleaners (including all TC Bros. units) Air cleaner support brackets