'60's 4-BBL Air Cleaner Breather Chevy Ford Mustang Chevelle Vintage 1960's 4 Barrel air cleaner breather Muscle Car, Rat Rod, Early Rod and Custom, Gasser this air cleaner have a large opening for the Holley 4-barrel 5 1/8 in also fit Edelbrock Carter It had six large holes put into the top to create a hi-flow filter great for Nostalgia speed $125. Shipping is available upon request pay with Interac e-transfer or Pay