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Your cart is empty. Designed to out-perform and outlast the factory replacement valve springs. Kit features lightweight, high-strength CrSi replacement valve springs, H.T. steel base washers and titanium spring retainers. Complete kit, everything you need to for a complete replacement valve spring swap.
1998-2000 fits YAM WR400F
2001-2002 fits YAM WR426F
1998-1999 fits YAM YZ400F
2000-2002 fits YAM YZ426F
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