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Stainless Steel Conversion Valve Spring Kit - 80-81400

  • Part #:
    1800485
  • Mfg Part #:
    80-81400
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Stainless Steel Conversion Valve Spring Kit - 80-81400

  • Part #:
    1800485
  • Mfg Part #:
    80-81400
MSRP: $220.95

Price: $198.86 10% off!
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Kibblewhite Precision Machining Stainless Steel Conversion Valve Spring Kit - 80-81400
  • Stainless intake/exhaust steel valve spring conversion kits is designed for use with Kibblewhite's Top End Service Kit (sold separately)
  • Include wound chrome-silicon heat-treated wire valve springs, ultra-light titanium retainers and hardened steel bases
  • Components are created using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software
  • Intake valve spring specifications: valve lift 0.395", seat pressure 55 lb., open seat pressure 151 lb., installed height 1.150"
  • Exhaust valve spring specifications: valve lift 0.370", seat pressure 46 lb., open seat pressure 119 lb., installed height 1.095"
  • Made in the U.S.A.

NOTE: This kit is intended for use with the Kibblewhite Top End Service Kit, not intended for OEM compatibility.

 



Included Items:

(2) Intake retainers

(2) Exhaust retainers

(2) Intake springs

(2) Exhaust springs

(2) Intake base washers

(2) Exhaust base washers

Instructions

 

Specifications
Part #: 1800485
Mfg #: 80-81400
Type Valve Spring
Units Each
Weight 0.40 lbs
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Resources & Manuals
Fitment for Kibblewhite Precision Machining Stainless Steel Conversion Valve Spring Kit - 80-81400

Part 1800485 fits the following machines

Yamaha
  • WR250F 2015-2016
  • YZ250F 2014-2016

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