S&S Air Filter Reducer Insert. 1/2in. Thread to 5/16in. Thread.

Description

Features & benefits:-

* Fits Evolution Non-Head Breather Bolts into Evolution Breather Heads, when converting to crankcase brether.

* Threaded Insert.

* 1/2-13in. to 5/16-18in. (1/2in. Long).

* Sold Each.