3/4" OD with a 1" OD flange that is 1/8" thick

Installation of an S&S air cleaner may require re-jetting or engine re-tuning

nut and washers used on 1952-1963 Harley-Davidson K

Chrome plated allen screws and locknuts used on 1979-1991 Harley-Davidson XL

Fits all 1" handlebars

Cobra 2-Up Seat - Black Leather - Vertical Pleat - for Harley OEM Factory Rigid Frames Subcategory_Gas Tank Accessories 3/4" OD with a 1"This black leather 2 Up Cobra Seat is designed to be a slim, tidy fit on original Harley rigid frames (Knuckleheads and Panheads). Top grain leather, the softest cowhide, covers the new steel seat pan top and bottom and has burnished edges for a high quality and finished look. Designed to fit most rigid frame choppers. Handcrafted here in the USA by Rich Phillips. 16 gauge laser cut steel pan 1. 25 thick foam All leather construction NOTE: These seats