160pcs/lot Rubber Carburetor / Vacuum Cap Assortment Intake Vacuum Line 3/16" 3/8"| | - AliExpress
Amazon.com: BUSY-CORNER 120 Pieces Rubber Vacuum Cap Assortment 10 Sizes Tube OD from 1/8" to 1/2" Sizes Automotive Carb Line Hose Caps Kit for Carburetor Manifold : Automotive