GlowShift Fuel Rail Adapter for Fuel Pressure Gauges for Chevy LS1 LS2 LS3 LS6 Engine Fuel Rail Adapter for Fuel Pressure Gauges Specifically Designed for LS Style Engines Fits Chevy LS1, LS2, LS3, LS6 and LT1 Engines Includes 90 angle Adapter for Proper Hood Clearance Free Lifetime Support and 1 Year Warranty