these breather bolts are engineered for functionality

The heavy aluminum construction gives you many options between paint or polish your custom motorcycle fender

These are heavy-duty springs that are chrome plated for superior corrosion resistance

Adjustable accelerator pump: Improves quick throttle response and ensures easy starting

and including the battery (not included) weighs just about 3-1/2 pounds

#8147-13 Transmission Top Cover Screw Kit 1956-1964 Harley-Davidson Big Twins - Chrome Plated Brand_Biltwell these breather bolts are engineeredTransmission Top Cover Screw Kit Chrome Plated Fits 1956 64 Harley Davidson Big Twins. Made in Ohio, USA.