Internal Bore Size 13/16" 20

There are 2 x washers included to hold the bolt in place for custom application

For Yamaha VX500 Vmax 500 1994-1996/2001

31100-19B00

For 2013-2015 Acura RDX 3

1987-1991 GMC V1500 V2500 V3500 Power Steering Gear Box 27-7524 277524 7846959 Ducati Mirrors Internal Bore Size 13/16" 20Feature: 1: According to the original factory specifications,perfect match for the original car. 2: Own different test machines to design exact accurate parameter for our products. All switches were tested for performance. 3: Made by high quality material, lightweight, anti rust, colorfast and durable. 4: Aftermarket product with premium quality. 5: Stable performance, high reliability,suitable for replacing your broken one. Specifics: Condition: 100%