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KIBBLEWHITE Valve Spring Kit 40-41100

Part Number: 09263235
KIBBLEWHITE
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SKU:
09263235
MPN:
40-41100
Condition:
New
Availability:
Ships Same Business Day
Weight:
1.61 LBS
On Sale
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MSRP: $705.77
Now: $452.00
Was: $705.77
— You save $253.77
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Description

Factory valve springs impose a performance ceiling that limits your engine's RPM potential and reliability under sustained high-load conditions. The KIBBLEWHITE Valve Spring Kit 40-41100 replaces those compromises with precision-engineered components designed to handle aggressive valve train demands while reducing reciprocating mass. This complete bolt-on kit gives you everything needed for a full valve spring swap, eliminating the guesswork and incomplete sourcing that often derails engine builds.

Built for serious builders and racers who refuse to leave performance on the table, this kit pairs lightweight CrSi valve springs with H.T. steel base washers and titanium spring retainers—each component selected for durability and consistent performance across extended power ranges.

  • Lightweight CrSi valve springs
  • H.T. steel base washers
  • Titanium spring retainers
  • Complete swap kit included
  • Bolt-on installation
  • Increased RPM capability
  • Reduced valve train mass
  • OEM fitment specificity
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Specs

SPRING LIFT IMPERIAL:
0.445'
SPRING SEAT PRESSURE:
INTAKE 50 LB, EXHAUST 44 LB
UNITS:
KIT
SPRING LIFT:
0,445'
MATERIAL:
TITANIUM
PRODUCT NAME:
SPRING KIT
RIDING STYLE:
STREET
SPRING OPEN PRESSURE:
162 LB
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Fitment

Fitment for KIBBLEWHITE Valve Spring Kit 40-41100

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Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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