K&N, Street metal high-flow air intake Hammer. Chrome - 18-23 Softail; 17-23 Touring; 17-18(NU)Trikes. 107" models only Rims chrome 3/8" / 10mm plain hole

3/8" / 10mm plain hole (not countersunk or counterbored) mounting holes

Outer diameter 1

Replacement keys now available

otherwise it functions just like a regular open end wrench

K&N, Street metal high-flow air intake Hammer. Chrome - 18-23 Softail; 17-23 Touring; 17-18(NU)Trikes. 107" models only Rims chrome 3/8" / 10mm plain holeFor those that don't fancy an overdesigned air cleaner assembly. The Street Metal provides clean, basic looks and as much air as you'd expect from a performance air cleaner specialist as K&N. The system is built with an aluminum backing plate with integrated velocity stack and completed with an oversized air cleaner element. Built in breathers will replace the stock breathers for the cleanest look possible. Includes mounting hardware.