New old stock part. Listing is for a pair of brushes. See photos for detail and condition. Description: Brush OEM(s): Lucas Voltage: 12 Unit Type: Alternators Length: 0.492in / 12.5mm Width: 0.177in / 4.5mm Height: 0.177in / 4.5mm Lead Length: 0.886in / 22.5mm Industry Number: FA87 Application: Lucas 15ARC, 16ARC, 17ARC, 18ARC, 20ARC, 23ARC & 25ARC Alternators References: Arrowhead ALU7500