Features and Benefits:

• Items Included with Cap Plug Kit
• Five (5) 0.173 in
• Three (3) 0.367 in
• One (1) 0.500 in
• One (1) 1.237 in
• One (1) 1.312 in
• One (1) 1.452 in
• One (1) 1.580 in
• One (1) 1.730 in
• One (1) 1.850 in
• One (1) 1.927 in
• One (1) 2.079 in
• One (1) 2.125 in
• One (1) 2.305 in
• One (1) 2.475 in
• One (1) 2.685 in



Cap plugs are used to seal air intake ducts, vacuum lines, hoses, and other openings that need to be closed in order to perform pressure or vacuum testing. Use in conjunction with your automotive smoke machine to quickly and efficiently find leaks.This kit includes 24 cap plugs made of low-density polyethylene and are tapered with wide, thick flanges.