Manufacturer Part Number: SC3L3X61IR43PGAWZ-KT42, UPC: Does not apply Yamaha 250 Raptor Stainless Bolt Screw Engine Kit Set Polished Yamaha Yz250f 2009 Material: A2 Stainless Steel, Type: Bolts, Universal Fitment: No, Finish: Polished, Warranty: Yes, Manufacturer Warranty: 5 Years Yamaha 250 Raptor 2008-2010 Stroker Bottom End Rebuild Kit Placement on Vehicle: Left, Right