Vibrant Performance Straight Reducer Silicone Tubing Coupler - 1-3/4 in to 2-1/2 in ID - 3 in Long - Black R0400042XL This oxygen sensor plug seals

This oxygen sensor plug seals O2 bungs when they are not in use

The core product line consists of brake controllers

1988-1995 Chevrolet K2500 5

Plastic Bulb

Vibrant Performance Straight Reducer Silicone Tubing Coupler - 1-3/4 in to 2-1/2 in ID - 3 in Long - Black R0400042XL This oxygen sensor plug sealsVibrant Performance Aramid Reinforced Silicone Transition Hose Couplers feature a smooth and effective transition from one inlet diameter size to another. This coupler is intended for use in applications where a reduction or increase in diameter is needed. Our Transition Hose couplers are commonly found off of turbo compressor housings, intercooler end tanks and charge pipe assemblies. Rated for temperatures ranging from 65 degreesF to 350 degreesF