We stock test caps and expansion plugs in a huge range of sizes!

Test Caps

BB-001-01 - 1"

BB-001-02 - 1 1/8"

BB-001-03 - 1 1/4"

BB-001-04 - 1 3/8"

BB-001-05 - 1 1/2"

BB-001-06 - 1 5/8"

BB-001-07 - 1 3/4"

BB-001-08 - 1 7/8"

BB-001-09 - 2"

BB-001-10 - 2 1/8"

BB-001-11 - 2 1/4"

BB-001-12 - 2 1/2"

BB-001-12 - 2 3/4"

BB-001S - Test Cap Set - Contains 20 caps of varying sizes, please call for details.

Expansion Plugs - Most Available in your choice of Open or Closed Stem

BB-10-3-1 - 1"

BB-10-3-2 - 1 1/4"

BB-10-3-3 - 1 3/8"

BB-10-4 - 1 1/2"

BB-10-5 - 1 5/8"

BB-10-6 - 1 3/4"

BB-10-7 - 2"

BB-10-8 - 2 1/8"

Filler Neck Plugs

BB-6-0 - Import 

BB-6-1 - Ford/GM

BB-6-2 - Truck