Sprocket Shaft Nut For Chain Drive

• 1066-0018
• Replaces40392-91
• Fits: 1991-2006 Big Twin
• Designed to fit, engineered to last. Rivera Primo performance and aftermarket parts for Harley-Davidson motorcycles
• Rivera Primo – American made pro clutches, belt drives and other custom parts for V-Twin motorcycles Whatever it takes to keep your V-Twin bike on the road!