Front Pulley Installation Kit, Flanged Nut, 1991-2017 (Premium)
The Flanged Nut will not allow the nut to loosen. A Lockplate with slots can loosen which allows destruction of the splines in your pulley!
Flanged Nut: Machined with a rear "binding surface", black rust resistant finish
Screws: Socket head, black rust resistant finish (not furnished with Sprocket Nut)
Seal: Double Lip Design
Fitment: 
Pulley Kits
PKF-HD1: Sportster 1992-Up; Big Twin '91 - '05
PKF-HD2: With Seal, Sportster 1992-1994
PKF-HD2.5: With Seal, Sportster 1995-2005; Big Twin '91 - '05
Sprocket Kits
SKF-SP1: Sportster, 1992-2020
Shipping:
Continental US; USPS, First Class Mail
International; USPS, First Class Mail