These complete Top End Service Kits from Kibblewhite include all the necessary gaskets, seals , o-rings, engine valves, pistons, piston rings, piston pins and valve springs needed to service or rebuild your vehicle in one convenient kit!
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Kibblewhite Complete Top End Service Rebuild Kit 80-81900-553
Top End Rebuild Kit | SKU #80-81900-553 | MPN #80-81900
$663.26
- New Part
Average free shipping time to your home 2-4 daysContact us for a question. Phone: (304) 699-7572
Availability: IN STOCK
- WI4
- ID1
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Specifications
| Condition | New |
| SKU# | 80-81900-553 |
| MPN# | 80-81900 |
| Part | Top End Rebuild Kit |
Vehicle Compatibility
This part fits an additional 7 vehicles.| Year | Make | Model | Submodel |
|---|---|---|---|
| Yamaha | WR450F | WR450F | |
| Yamaha | YZ450F | YZ450F |
Description
Additional Note
- Kit includes all necessary parts for a complete top-end service/rebuild: pistons, piston rings, piston pins, gaskets, valves, and valve springs
- Pistons fully machined from 2618 aluminum alloy with a performance skirt coating
- Lightweight racing valve spring kit with titanium valve spring retainers, dual springs and H.T. steel base washers (springs are suitable for use with high-performance cams)
- All necessary gaskets, seals and O-rings included
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
- Black 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
- Includes Piston, Rings, Clips and Pin
- Includes Top End Gasket Kit by Cometic
- Includes KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.
- Includes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. Valve Lift
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