These kits replace your factory Ppump return line using -6AN Fittings. Each kit comes preassembled with all fittings tight and thread sealed. This kit also includes a new Tork Tek overflow valve to achieve desired fuel pressure.
* OFV040HP Use with lightly modified Cummins trucks. Fuel pressure range of 30 to 37 PSI.
* OFV050HP Use with moderately modified Cummins truck. Fuel pressure range of 37 to 45 PSI.
* OFV060HP Use with super street performance Cummins trucks. Fuel pressure range of 43 to 50 PSI.
* OFV075 HP Use with RACE ONLY Cummins trucks. Fuel pressure range of 50 to 70 psi. running these pressures for extended periods of time can be taxing on the electric motors of your lift pumps causing premature failure. This valve can cause higher fuel temps in the P7100 pump if ran for long periods of time like daily driving.