MELLING HIGH VOLUME, STANDARD PRESSURE OIL PUMP FOR GEN 3/4 LS ENGINES (WET SUMP) - M365HV
We recommend this pump as an upgrade in applications with added oiling system demands such as large external oil coolers, larger bearing clearances, turbochargers, etc. This is also the recommended oil pump for extreme (8000+) rpm applications. We recommend this pump as a replacement for the OEM L99 oil pump in all VVT applications.
Orange spring (installed) – 70psi bypass
Optional Yellow spring – 60 psi bypass
Optional Green spring – 80psi bypass
- Standard PSI & +20 PSI pressure relief spring included (+10 PSI Spring Comes Installed in Pump)
- Threaded pressure relief nut
- Uses 7/8” diameter bolt-on pickup tube assembly
- Includes O-Rings for oil pickup tube assembly
- High volume performance upgrade for M355/M365
- 20% increase in volume over the M365
SHOULD ONLY BE USED ON APPLICATIONS EQUIPPED WITH 7+ QUART OIL PAN
