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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
or Wossner stock bore forged pistons**
Engineered for durability and performance
All fasteners are allen head drive for easier install and removal
Maxlock head stud kit – Lifetime Replacement Warranty*
Yamaha YFZ450 YFZ 450 R X Kibblewhite Head Intake Exhaust Valve Guides Seals USA REVISE or Wossner stock bore forged80 80220, 80 82230, 5TA 11133 10 00, 5TA 11134 10 00, 71014 5 YFZ450 YFZ450R X Kibblewhite Valve Guides + Red Viton Seals Set Product Overview Refresh your Yamaha YFZ450s top end with this Kibblewhite OEM replacement valve guide and seal set. Designed for durability and performance, the bronze guides and legendary red Viton valve seals outperform factory components for less. Perfect for professional engine builders looking to maintain or upgrade
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