Suzuki Heavy Duty Valve Springs
GSXR 1000, Hayabusa and ZX14R
Choose between the
01-08 GSXR 1000
09-16 GSXR 1000
99-20 Hayabusa 60# or 70# (Nitrous application)
KAWASAKI ZX14R ALL YEARS
KAWASAKI ZX12R 2000-2005
KAWASAKI ZX10R 2004-2018
Heavy duty valve springs help to keep your valves seated under high rpm loads and when using nitrous on today's high reving motors. We highly recommend using heavy duty valve springs when using nitrous.
Please note that the springs pictured are for the GSXR 1000,
ZX14R spring is a single coil design similar to the GSXR1000 picture, but larger O.D.
ZX12R is a single coil spring similar to Hayabusa design
ZX10R 2004-2016 spring is a single coil design Note: Custom retainers recommended for 2004-2018 ZX10R. *** 2011-2018 ZX10R additional base shims required for Intake Side for 2011-2020 setting Seat Pressure at 55 pounds (Sold Here)