Skip to content
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Kibblewhite

Kibblewhite Service Kit - 80-81900 Yamaha WR 450 / YZ 450 2003-2006

MPN: 80-81900 SKU: 0903-1588
Kibblewhite

Kibblewhite Service Kit - 80-81900 Yamaha WR 450 / YZ 450 2003-2006

MPN: 80-81900 SKU: 0903-1588
Availability:
Only 2 left!
The only safe way to maximize compression; the valve reliefs in the piston are purposely convex and match the geometry of the dishes in the valves Conversion to Black Diamond™ stainless steel valves offers up to twice the life of the stock titanium valves No loss in performance Kit includes: piston, rings, clip and pin, Cometic top end gasket kit, Black Diamond engine valves (standard size) and dual spring titanium retainer springs (.395" lift intake, .0370" lift exhaust) Made in the U.S.A. Pistons, rings, valves and pin clips in this kit are designed to work as a system, they are NOT COMPATIBLE with the OEM components and should ONLY be used as a kit. Specs Type Top End Product Name Service Kit Riding Style Off-Road Units Kit Bore Size 95.00 mm
Original price $736.36 - Original price $736.36
Original price
$736.36
$736.36 - $736.36
Current price $736.36

Product Details

Features

  • The only safe way to maximize compression; the valve reliefs in the piston are purposely convex and match the geometry of the dishes in the valves
  • Conversion to Black Diamond™ stainless steel valves offers up to twice the life of the stock titanium valves
  • No loss in performance
  • Kit includes: piston, rings, clip and pin, Cometic top end gasket kit, Black Diamond engine valves (standard size) and dual spring titanium retainer springs (.395" lift intake, .0370" lift exhaust)
  • Made in the U.S.A.
  • Pistons, rings, valves and pin clips in this kit are designed to work as a system, they are NOT COMPATIBLE with the OEM components and should ONLY be used as a kit.

Specs

Type Top End
Product Name Service Kit
Riding Style Off-Road
Units Kit
Bore Size 95.00 mm

Product Description

Features

  • The only safe way to maximize compression; the valve reliefs in the piston are purposely convex and match the geometry of the dishes in the valves
  • Conversion to Black Diamond™ stainless steel valves offers up to twice the life of the stock titanium valves
  • No loss in performance
  • Kit includes: piston, rings, clip and pin, Cometic top end gasket kit, Black Diamond engine valves (standard size) and dual spring titanium retainer springs (.395" lift intake, .0370" lift exhaust)
  • Made in the U.S.A.
  • Pistons, rings, valves and pin clips in this kit are designed to work as a system, they are NOT COMPATIBLE with the OEM components and should ONLY be used as a kit.

Specs

Type Top End
Product Name Service Kit
Riding Style Off-Road
Units Kit
Bore Size 95.00 mm

Part Numbers
Store SKU MFR. Product # Availability
0903-1588 80-81900 In Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

Features

  • The only safe way to maximize compression; the valve reliefs in the piston are purposely convex and match the geometry of the dishes in the valves
  • Conversion to Black Diamond™ stainless steel valves offers up to twice the life of the stock titanium valves
  • No loss in performance
  • Kit includes: piston, rings, clip and pin, Cometic top end gasket kit, Black Diamond engine valves (standard size) and dual spring titanium retainer springs (.395" lift intake, .0370" lift exhaust)
  • Made in the U.S.A.
  • Pistons, rings, valves and pin clips in this kit are designed to work as a system, they are NOT COMPATIBLE with the OEM components and should ONLY be used as a kit.

Specs

Type Top End
Product Name Service Kit
Riding Style Off-Road
Units Kit
Bore Size 95.00 mm