Kawasaki ZX10R HD Valve Springs - APE VS1000K-PRO ZX10R 04-22 Engine Spares they generally last longer as

they generally last longer as they receive less wear than the reed petals on a conventional reed valve design

gs1150 model with 20mm gudgeon pin size

Kawasaki KZ F1 / F2 / H1H / 2 / M1 550 CC 1980/1984

needs the mechanical advance retard unit from earlier zeds to install

Kawasaki ZX10R HD Valve Springs - APE VS1000K-PRO ZX10R 04-22 Engine Spares they generally last longer asWorld famous APE valve Springs are made from premium chrome silicone wire for consistant pressure and excellent fatigue life. Racers as well as street riders have come to depend on APE Springs for winning performance. For use with any high lift cam and or agressive camshaft Profile.