Wossner Standard Series Piston Kit - 8630DA For Gas Gas 450F 2013-2015 | Yamaha YZ 450 2006-2009 Brand_Dynatek Feuling recommends running the oil

Feuling recommends running the oil level 90%-99% full when hot

shift rods

Does not work with Thrashin Softail Brake Arm

5" heat shields give the classic straight pipe look

Wossner Standard Series Piston Kit - 8630DA For Gas Gas 450F 2013-2015 | Yamaha YZ 450 2006-2009 Brand_Dynatek Feuling recommends running the oilFeatures Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication Lightweight piston with a tight piston wall clearance for a quieter running engine Skirt coated for reduced friction and improved break in performance Ring land treatment for improved ring seal and oil control Double bridged forging design where noted Kit includes piston, rings, wrist pin and pin locks Specs Engine Type 4 Stroke