The Straightline Performance A-Arm Super Performance Ice Scratcher Combo Kit includes everything needed to install a complete A-arm-mounted cooling system. Featuring one pair of 16-inch Super Performance Ice Scratchers (185-102) and two quick-release A-arm Mount Clamps (185-106), this system delivers exceptional cooling performance while helping reduce engine temperatures and extend hyfax life. Built with full stainless steel construction, adjustable replaceable Woody's® carbide tips, and easy-install clamps, it's one of the most effective cooling upgrades available for today's snowmobiles.