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KIBBLEWHITE Intake Valve - Big Twin 20-4171

Part Number: DS198972
KIBBLEWHITE
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SKU:
DS198972
MPN:
20-4171
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.25 LBS
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MSRP: $29.81
Now: $26.83
Was: $29.81
— You save $2.98
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Description

Big Twin engines demand valves engineered for sustained high-rpm performance and reliability. The KIBBLEWHITE 20-4171 intake valve combines superior wear resistance with precision flow characteristics, ensuring consistent power delivery across your entire powerband. Built with American craftsmanship and materials proven in professional racing environments, this valve handles the demands of forced induction, high-octane fuel, and extended service intervals.

  • One-piece stainless steel
  • Stellite-tipped design
  • Nitrided process (.002" depth)
  • Superior corrosion resistance
  • Reduces friction significantly
  • Outperforms hard chromium
  • Lightweight construction
  • Optimized flow profile
  • Leaded/unleaded compatible
  • Cast iron guide compatible
  • Bronze guide compatible
  • Close tolerance fit
  • Maximized oil control
  • Enhanced heat dissipation
  • Made in U.S.A.
  • Big Twin fitment
  • MPN: 20-4171
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Specs

LENGTH IMPERIAL:
4.445'
STEM DIAMETER IMPERIAL:
0.3100'
TULIP ANGLE:
23°
HEAD DIAMETER IMPERIAL:
1.840'
MATERIAL:
STAINLESS STEEL
MODEL:
BLACK DIAMOND™
PRODUCT NAME:
VALVE
APPLICATION:
INTAKE
RIDING STYLE:
STREET
UNITS:
EACH
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Fitment

Fitment for KIBBLEWHITE Intake Valve - Big Twin 20-4171

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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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