Siptenk 1-3/8" Freeze Rubber Expansion Plug 5 pcs, Automotive Rubber Expandable Freeze Plugs for Engine

1-3/8" RUBBER EXPENSION PLUGS: Fit Hole(Inch): 1-3/8" - 1-1/2", Fit Hole(mm): 34mm - 38mm;, FREEZE FROST EXPANSION PLUGS STRUCTURE: 1.Hex Nut × 1; 2.Steel Plate × 1; 3.Neoprene Rubber × 1; 4.Steel Chassis × 1; 5.O-ring × 1; 6.Steel Carriage Bolt × 1;, HIGH-QUALITY NEOPRENE RUBBER & STEEL: The freeze plugs, made of high quality rubber and alloy, which combine the good elasticity of rubber and the high hardness of alloy, make the expansion plugs easy to use, but not easy to damage., EASY TO INSTALL: The quick seal rubber expandable plugs, with precise size, are easy to install. You only need to take off the original oil seal, then put in the new one, then tighten the hexagonal nut, and you can finish the installation., WIDE ALLPICATION: Siptenk neoprene rubber expansion plugs can be used to replace rubber expansion plugs/rubber anti-freeze plugs/exhaust pressure test plugs and are available in many sizes., AFTER-SALES: If you have any questions about the expandable rubber freeze plugs, please feel free to contact us. We will do our best to help you solve the problem and ensure to provide you with a pleasant shopping experience.