Designed for capping lines and hoses during carburetor and emissions system testing, this 80-piece silicone rubber vacuum cap assortment maintains a tight fit to prevent leaks. The silicone construction withstands high-temperature environments ranging from 180 to 210°C (352 to 410°F). For organized access, the kit provides (20) 3/16", (20) 5/32", (20) 7/32", (10) ¼" (6.4 mm), (5) 5/16" (7.9 mm), and (5) 3/8" (9.5 mm) caps within a re-sealable plastic case.

Designed for capping lines and hoses during carburetor and emissions system testing, this 80-piece silicone rubber vacuum cap assortment maintains a tight fit to prevent leaks. The silicone construction withstands high-temperature environments ranging from 180 to 210°C (352 to 410°F). For organized access, the kit provides (20) 3/16", (20) 5/32", (20) 7/32", (10) ¼" (6.4 mm), (5) 5/16" (7.9 mm), and (5) 3/8" (9.5 mm) caps within a re-sealable plastic case.