Fuelab 51506-2-S-T Series Adjustable Fuel Pressure Regulator TBI - 515

The Fuelab 515 Series Adjustable Fuel Pressure Regulator is engineered for high-performance fuel system applications requiring precise pressure control. This TBI (Throttle Body Injection) variant delivers reliable pressure regulation with exceptional build quality and fuel compatibility. Designed to accept both port style and non-port style union fittings without interference, this regulator offers maximum installation flexibility for custom fuel system configurations.

Key Features:

• Dual -6AN inlet ports and one -6AN bottom-mounted return port for versatile plumbing options
• Adjustable pressure range optimized for TBI applications (typically 1-15 PSID)
• Fine thread pitch adjustment mechanism for precise pressure tuning
• Compatible with gasoline, diesel, methanol, and ethanol fuels
• CNC-machined billet aluminum construction with Type II military-spec anodizing (MIL-A-8625)
• 1/8 NPT gauge port with plug for external pressure gauge monitoring
• 1/8 NPT pressure reference port with barbed fitting for vacuum/boost reference
• Includes versatile mounting bracket with stainless steel hardware
• Backed by Fuelab's 2-year limited warranty

This regulator combines precision engineering with robust construction to deliver consistent fuel pressure in demanding applications. The military-specification anodized finish provides superior corrosion resistance, while the billet aluminum body ensures long-term durability and heat dissipation.