SAVE critical front-end pounds! PROFORM offers you a choice of five race-winning combinations: air cleaner lidsranging from genuine composite-fiber to aircraft aluminum, with or without the famous Bowtie and CHEVROLET Emblems, in black or clear anodized finishes; plus a 3 tall genuine AC filter (AC P/NA697C); plus a color-matched, super-deep aluminum base for maximum good clearance when using optional, extra-tall airfilter elements. These weight-saving high-performanceair cleaner kits blend traditional OEM appearance profiles with optimized air-flow dynamics to achieve checkered-flag results. Supplied with necessary mounting hardware and center nuts as shown.