Product Summary

Sprint Car, Aluminum, 5.00" Overall Length, Anodized

  • Measures 5" in length and 4" in height
  • Has a hi flow capacity and is light weight
  • It is externally adjustable from 75 to 152 psi
  • Compatible with both gasoline and methanol fuels
  • Features an accurate pressure control and is field serviceable

Key Specs

MFG. Part #3972
BrandKinsler Fuel Injection

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Kinsler Fuel Injection 3972 Details

If you want the best high-speed bypass for your fuel injection system, look no further than this Kinsler model K-140. It’s adjustable from 75 to 152 lbs. of pressure and has a proven track record in winning race cars. Used as a return bypass on sprint cars or other high end fuel injection-type cars.

  • Externally adjustable from 75 to 152 psi
  • Hi flow capacity and light weight
  • Accurate pressure control
  • Methanol and gasoline compatible
  • Serviceable in the field
  • Hard anodized finish
  • Includes -6 AN inlet fitting
  • Length: 5”
  • Height: 4”

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.

Kinsler Fuel Injection 3972 Specifications

MFG. Part #3972
BrandKinsler Fuel Injection
Sold in QuantityEach
Material TypeAluminum
Overall Length5.00"
Overall Width1.52"
Overall Height4.00"
Outlet Fitting-6 AN
Pressure Rating72-152 lbs