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PROX Piston Kit - 96.95 mm - Yamaha WR450F/YZ450F/YZ450FX 01.2453.A

Part Number: 09106783
PROX
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SKU:
09106783
UPC:
193564523358
MPN:
01.2453.A
Availability:
Ships Same Business Day
Weight:
0.93 LBS
On Sale
  • PROX Piston Kit - 96.95 mm - Yamaha WR450F/YZ450F/YZ450FX 01.2453.A
  • PROX Piston Kit - 96.95 mm - Yamaha WR450F/YZ450F/YZ450FX 01.2453.A
MSRP: $221.95
Now: $183.00
Was: $221.95
— You save $38.95
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads

Description

A worn or damaged piston directly impacts your WR450F or YZ450F's compression ratio, throttle response, and overall reliability—especially under high-RPM racing conditions. This PROX piston kit restores OEM specifications with precision-machined components, ensuring consistent power delivery and durability across competitive and recreational riding. Replace your top-end assembly with confidence using a complete, ready-to-install kit engineered specifically for your Yamaha four-stroke.

  • 96.95 mm bore diameter
  • CNC-machined piston
  • OEM-spec piston rings
  • Wrist pin included
  • Circlips included
  • Complete kit assembly
  • Yamaha WR450F compatible
  • Yamaha YZ450F compatible
  • Yamaha YZ450FX compatible
  • Bolt-on installation
  • Instruction sheet included
  • Part number 01.2453.A
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Fitment for PROX Piston Kit - 96.95 mm - Yamaha WR450F/YZ450F/YZ450FX 01.2453.A

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