Vibrant Performance Standard Flex Coupling W/O Inner Liner 3" Rocker Cover Hold Down Tabs Available with an optional black

Available with an optional black “Thermal Coating” finish for improved cooling

On 180 Degrees/Off 165 Degrees

They're just washer shaped steel that come in different thickness

Four Point CAD/CAM design

1965-1981 Pontiac LeMans

Vibrant Performance Standard Flex Coupling W/O Inner Liner 3" Rocker Cover Hold Down Tabs Available with an optional blackVibrant's Standard Flex Coupling without an Inner Liner are a cost effective solution for isolating vibration and are only recommended for naturally aspirated applications. Available in 1. 5" to 3" I. D. and from 4" to 10" Long. Only recommended for naturally aspirated applicationsVibrant Performance was established in 1997 to design and produce Exhaust and Induction components for the Sport Compact performance market, which, at the time, was a small