Product Summary

Sprint Car, 57-123 PSI Pressure Rating

  • Valve has an accurate pressure control
  • Has a hi flow capacity and is light weight
  • Designed to be methanol and gasoline compatible
  • Comes with a built-in special tower with short vent breather
  • Features a hard anodized finish and is serviceable in the field

Key Specs

MFG. Part #3981
BrandKinsler Fuel Injection

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If you want the best high-speed bypass for your fuel injection system, look no further than this Kinsler model K-140.

  • High speed 57-123 PSI
  • Hi flow capacity and light weight
  • Accurate pressure control
  • Methanol and gasoline compatible
  • Serviceable in the field
  • Hard anodized finish
  • Has a special tower with short vent breather


  • Warranty by Kinsler

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


MFG. Part #3981
BrandKinsler Fuel Injection
Sold in QuantityEach
Pressure Rating57-123 PSI
FinishHard Coat Anodized