This boot is made of flexible vinyl and is built to easily handle a 1/2" bundle of wire. Though designed to fit various ECU and PDM applications, this boot is also with Holley set-ups that utilize both J1A/J1B connectors.

Boot Dimensions:

Inlet Size: 0.50" round

Outlet Size: 1.25" x 2.75"

Maximum Dimensions: 3.5" x 5.625" x 1.25"