DeatschWerks 6-M02-4 High-Flow Fuel Pressure Regulator 58 PSI Non-Adjustable

The DeatschWerks 6-M02-4 is a direct-replacement high-flow fuel pressure regulator designed for 1999-2001 GM LS-powered trucks and SUVs. This performance upgrade maintains a steady 58 PSI fuel pressure, making it ideal for builds with upgraded fuel pumps and injectors that demand consistent fuel delivery under high-performance conditions.

Key Features:

• Non-adjustable 58 PSI pressure calibration for tuning stability and consistent fuel delivery
• Direct OEM replacement with simple bolt-in installation—no modifications required
• High-flow design supports increased fuel demands of performance applications
• Constructed from anodized aluminum for exceptional strength and corrosion resistance
• Includes stainless steel hardware for reliable installation
• Compatible with 1999-2001 Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, and Cadillac Escalade models
• Also fits 2002-2003 models equipped with side-exit vacuum port regulator housing
• Backed by 3-year warranty against defects in materials and workmanship

This performance regulator is specifically designed for 4.8L, 5.3L, and 6.0L LS-based engines used in early GM truck and SUV platforms. It provides the precision, reliability, and quality that high-performance fuel systems require to deliver optimum engine performance.