The Screw(4x10) is the most widely applied product in the GS1000EN 1978 (C) USA (E03) CONTACT BREAKER ( four times ).
The most reasonably priced component used on the Gs1000en 1978 (c) Usa (e03) Contact Breaker is the Lock Washer.
Parts such as the Contact Breaker: Washer, Clamp, Washer 5mm, Plate,contact Point are included in the Gs1000en 1978 (c) Usa (e03) Contact Breaker parts fiche.