Authorized Kibblewhite Dealer
  
Kibblewhite Top End Piston Rebuild Kit with White Diamond Intake and Exhaust Valves and Spring Kit with standard bore Cylinder
Yamaha YZ 450F (2003-2005) WR 450F (2003-2006)

Brand new in factory packaging!


Retail Price: $864.36

Stainless Steel conversion kit.

Part #80-81900

Kit Includes:
• Piston, Rings, Clips and Pin
• Top End Gasket Kit by Cometic
• KPMI® S.S. White Diamond® Valves, Stock Head Dia.
• Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.380” In. and Ex. Valve Lift

Features:
• Designed specifically for the performance demands of popular racing MX Bikes and Quads.
• Pistons designed to maintain the stock compression after the effects of the dished stainless valves
• 2618 Alloy Fully CNC Machined Piston with performance skirt coating
• White Diamond® Stainless Steel conversion system significantly increases valve durability
• Lightweight Racing Spring Kit compatible with high performance cams.
• All of the gaskets, rings, pins and seals required for a top end rebuild

These pistons have been designed to incorporate a domed piston deck, resulting in a high compression profile and offsetting any change in volume caused by valve dishes. While maintaining compression through piston shape, we’ve minimized moving mass in our stainless steel valvetrain conversion by lightening our steel valves. The conversion to White Diamond® Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.

Cylinder (95mm)

This listing includes a brand new in original packaging Major brand aftermarket STD Bore Cylinder

  • Virtually identical in appearance to stock
  • Nickel Silicon Carbide plated for long life
  • Honed to exact size for easy piston installation



Ships out as soon as payment is received.

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