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The Peterson R4 four‑stage oil pump combines the twisted‑lobe rotor design with a compact, low‑profile housing to provide strong pressure and scavenge capacity while minimizing weight. Internal scavenge manifolds and shallow screw‑in fittings allow flexible packaging. This CDHV rear‑drive variant supports high‑volume scavenging configurations useful in demanding racing environments.
Peterson Fluid Systems R4 4-Stage Oil Pump - CDHV - Rear Drive (HV SCAV)
