Twin Power 71073A. Street American V-Twin > ELECTRICAL > Electrical Other. Application: 75-81 Sportster, Big Twin Black OEM# 71546-75A. Model # TRTB7643 Features: Street American V-Twin > ELECTRICAL > Electrical Other Application: 75-81 Sportster, Big Twin Black OEM# 71546-75A Twin Power 71073A. Item Dimensions: 4" L x 3" W x 0. 1" H.
