They are Alloy for a reason - These washers are a quality Alloy OEM equivalent part. OEM QUALITY WASHERS. The original Kawasaki part is Alloy - NOT copper. This washer fits a huge number of Kawasaki models.
2 x KAWASAKI 92065-097 92065097 Sump Drain Plug Washers OEM Quality ALLOY
Motorcycle Starter Drive Fit For Kawasaki JET MATE JB650 SKI 650SX 750 800 900 1100 X-2 X-4 XI Motorcycle Starter Clutch
RERPRO UTV Grab Handles Grips fit 1.75” - 2” Roll Bar Cage Paracord Hand Hold Triple Straps for UTV ATV Polaris Ranger RZR XP900 1000 Honda Pioneer Talon Kawasaki Wildcat Yamaha YXZ Can Am / 2 x Black
RERPRO ATV SXS Golf Cart UTV Roll Bar Grab Handles for 1.5"-2" Roll Cage
4 Pieces Universal Fuel Line, Petrol Fuel Line Hose Tube, 2 x 3.5mm, 2.5 x 4.5mm, 2.5 x 5mm, 3.5 x 5.5mm for Chainsaws, Blowers, Pressure Washers, 1m
VOLOHAS 8.5 x 2.00-5.5 Inner Outer Tyres Wider Thicker 8 1/2 x 2 (50-139) Electric Scooter Replacement Wheels for Inokim Light 1/Inokim Light 2 Electric Scooter Tyres Safety, Durable (1 Set 90°)