K&N oil filter Honda: 78-84 CB400 400 cc; 78-81 CB400 Hawk 400 cc; All CB400 LC 400 cc; 78-80 CB400 Super Dream 400 cc; 78-83 CB400A Hondamatic 400 cc; 89-92 CB450DXK 450 cc; 1985 CB450NF 450 cc; 86-88 CB450SG 450 cc; All CBR400 400 cc; 83-86 CBX400 F 400 cc; 81-86 CBX550 550cc