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Ships within 48 hours · Estimated delivery Oct 20 - Oct 25
AR621-4000
Includes 2 rivets
This CNC machined check valve screws directly into Aeroflow or Bosch EFI fuel pumps to hold line pressure and extend the life of the pump
AF575-04DBLK
Coil-Over Spring (each) 185 LBS2-5/8" I
PSI Dual Valve Spring (16) 1.625" OD & 1.130" Coil Bind ISK1224 Product:275LBS @ 2.000" Seat Pressure, 750LBS @ 1.200" Open Pressure AR621-4000PSI Dual Valve Spring (16) 1. 625" OD & 1. 130" Coil Bind275LBS @ 2. 000" Seat Pressure, 750LBS @ 1. 200" Open Pressure ISK1224 K1224 You can trust PSI valve springs to out perform all others as they are made from the finest materials, the best CNC equipment and state of the art trade secret processing they also utilise special heat treating and additional "Special Processing" for minimal load loss.
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