Valve Cover Breather Billet Aluminum cougar The boxes come with stainless

The boxes come with stainless steel mounting fasteners and they clear our billet hood hinges with no modifications necessary

direct replacement but manufactured from stainless steel and highly polished

With 1/4-20 threads

Billet Aluminum Lightning Style Hood Hinges for 1965-67 Impala

Valve Cover Breather Billet Aluminum cougar The boxes come with stainlessThese breathers are precision CNC machined from billet aluminum and are 3 3 8" tall. They feature a removable top cap for easy oil filling. The mounting area is 3 1 2" long and 1 3 4" wide and installation requires 1 4" fasteners (not included) and drilling or milling holes in your valve covers for the breather opening. Available in a raw machined or bright polished finish as well as a variety of anodize and Fusioncoat colors. Sold individually.