Centrifugal clutch designed for use with select ATV and UTV models. Constructed from strength steel for durability and resistance to wear. Features heavy duty springs to support consistent clutch performance during operation. The driven wheel is made of metal with high toughness and hardness, providing resistance to rust and oxidation. Designed for straightforward installation that does not require specialized tools, allowing for efficient replacement. The unit has been tested for performance, efficiency, and durability under standard operating conditions. Package includes: 1 x starting clutch bearing Compatible with models using OEM numbers MM010701, LU020593, 21230-003-0000, 21230-F12-0000. Fits various 400H and 450H ATV and UTV models including those designated as ATV-6, ATV-7, UTV, UTV-2, Tactic 400, and Forge 400. Also compatible with models designated MSU 400 (2012–2016), YS400 (2012–2013), UTV400-BF-TL (2012–2014), Frontrunner 400 EFI (2012–2014), Bighorn 400, Big Muddy 400, Outfitter 400 (2012–2015), UT400, 400GT, Bearclaw 400, Renegrade 400, Storm 400 EFI, and Tornado 400. Compatibility Disclaimer: This is an aftermarket replacement part. Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.