AIR CLEANER ASSEMBLYOpen Style w/Chrome Lid-USA Made USA MADEFits factory carburetors.Open element type-68-9 small block, 1970 early 300 horsepower, 68-9 427 (except 3x2 and L-88), 1970 early 454/390 horsepower, 70-71 LT-1 special HiPerformance, 350 with holley, 1971 454 LS-6.LID, BASE,ELEMENT & FLAME ARRESTORHAS CORRECT STYLE BASE WITH METAL TUBE COMING OUT OF THE BOTTOM FOR THE CRANKCASE VENT HOSE TO HOOK UP TO.for a less expensive foreign made air cleaner, see part# ACL335 MakeCHEV ModelCORVETTE Year1968-1971 Item#ACL330 Instructions / Core Return FormClick Here Price$169.95EACH Core Charge$0.00 QtyAdd