Side by side.

Specification	SD-106-GHT SD-106-GHT Quote
Width	0.920"
Height	0.600"
Flange	0.125"
Material	Silicone
Durometer	60 Shore A
Colour	Black
Mount	Push On
Bulb position	Side
Core	SD-487 Spring Steel

Spec sheets live on each part's page.