TUSK First Line Oil Filter - Fits: Yamaha Grizzly 600 4x4 1998-2001 Tusk oil filters are constructed from high quality metal, rubber, and paper materials. Technologically advanced oil filter paper allows maximum filtration and flow to prolong engine life. Tusk oil filters are made to meet the demands of today's high performance 4-stroke engines. Each oil filter includes a free maintenance decal that adheres to crossbar pads, fenders, fork tubes, etc. It's a great way to remind you when it's time to replace your oil filter.