DTA 2 Rear Coil-over Shock Absorbers Compatible With 2007-2010 Yamaha Big Bear 400; 2005-2006 Kodiak 400 Kodiak 450; 2007 Yamaha Grizzly 350 IRS, Grizlly 400 450. Replaces OEM# 1D9-F2210-01-00 DTA 2 Rear Left and Right Coil-over Shock Absorbers. Featuring high quality multi-lip seals, adjustable springs, and a robust twin tube design, these shock absorbers provide an improvement in performance, durability and ride comfort over OEM shocks. Compatible with: 2007 Yamaha Big Bear 400 (YFM400 IRS 4x4) 2008 Yamaha Big Bear 400 (YFM400 IRS 4x4) 2009 Yamaha Big Bear 400 (YFM400 IRS 4x4) 2010 Yamaha Big Bear 400 (YFM400 IRS 4x4) 2005 Yamaha Kodiak 400 (YFM400F 4x4) 2006 Yamaha Kodiak 400 (YFM400F 4x4) 2005 Yamaha Kodiak 450 (YFM450F 4x4) 2006 Yamaha Kodiak 450 (YFM450F 4x4) 2007 Yamaha Grizzly 350 IRS Only (YFM350 IRS 4x4) 2007 Yamaha Grizzly 400 (YFM400) 2007 Yamaha Grizzly 450 (YFM450)