TC Bros. Breather Bolts for Harley-Davidson Twin Cam Color:Black Anodized 2017 - FLSS Softail Slim

2017 - FLSS Softail Slim S

Available in black or chrome

Class A gloss black finish outside

but sometimes getting a straight run or avoiding chain slap isn't easy

why not improve the internals

TC Bros. Breather Bolts for Harley-Davidson Twin Cam Color:Black Anodized 2017 - FLSS Softail SlimTC 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