Includes the following-
1 Backplate o-ring - Novarossi part # 14001/ Nova Engines part # NVE1602002
1 Carb throat o-ring - Novarossi part # 14002 / Nova Engines part # NVE1602004
2 Carb clamp o-rings - Novarossi part # 19000 / Nova Engines part # NVE1602012
Keep your Novarossi and Nova Engines nitro running properly and replace those old o-rings !
A metal dental pick is recommended for removal and installation.