A-OL50D-AI 50 Double Offset Link (USA) model-4640 but are not limited to

but are not limited to the following: Excavators

The inner valve spring works in tandem with the outer valve spring to maintain precise valve timing and sealing in the cylinder head

and CTS RICE combines

MOUNTING EAR 2 THICKNESS: 56

Note: Not for early Standard

A-OL50D-AI 50 Double Offset Link (USA) model-4640 but are not limited toOne New Aftermarket Replacement #50 Double Offset Link (Double Strand) This #50 double offset link (also known as a half link) is used to add a single pitch to a double strand #50 roller chain drive when an odd number of pitches is required. Manufactured in the USA to ANSI standards, it is a direct replacement for OEM chain links used across agricultural equipment, conveyor systems, and other machinery running double strand #50 roller chain.