What is the difference between a bypass and a non-bypass filter in a hydraulic system? - Quora
FRAM - Many people in the automotive aftermarket, even well-established engine builders, do not fully understand what an oil filter bypass valve does. The bypass valve on most oil filter systems is
GM (General Motors) - 25161284 - 1991-2000 & 454 - 502 GM Performance Crate Engines Big Block Chevy Oil Filter Bypass Valve - 30 LB Bypass Pressure Used With Sandwich Adapter For External Oil Cooler Only