You are looking for the best to cool down your sled during long day riding
Look at this ice scratcher A-ARM kit exclusively distributed by Kimpex.

Kit included:
284305:2 Straightline performance long cable 16″ ice scratcher
202571:2 A-Arm mount
Carbide tips
Full stainless wire rope and ends for lifetime use.
Designed to be run down at all times, but can be mounted on the rails if needed.
Replaceable and affordable carbide scratcher tip.
Large mounting base to avoid rail wear.
List of part numbers that are compatible with the number :
Barcode :185-110
Supplier number :185-110
catalog number :284320