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The OEM venturi jet pump in the return line creates a restriction that can impact fuel pressure reliablity
whether you're a professional mechanic or a DIY enthusiast
Mechanical Fuel Pump Mounting Arm
We provide blocks that are tunnel bored and machined to your specifications
Kelford Cams recommend KVS93 or KVS93-BT over 29psi boost
Radium FPR RA Fuel Pressure Regulator Kit - Mazda MX-5 NB 99-05 rb alt belt The OEM venturi jet pumpThis kit features a new adjustable fuel pressure regulator (FPR) that is compatible with all fuel pump hangers including the factory returnless system found in the NB chassis. As shown below, the FPR is mounted near the EVAP charcoal canister using OEM threaded studs. The OEM fuel feed line from the fuel pump to the fuel filter is reused and unaltered. However, two new 6AN fuel lines (shown below) are provided to and from the FPR. A fuel pressure
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