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or test lines
serviceable 1/8" NPT pressure port anywhere in your plumbing
Connect it to a properly routed vent hose—preferably with a filter at the end to block dirt and debris
rattle-free routing
PTFE friendly: Works with PTFE braided hose and rubber AN lines (use a thin rubber insulator on PTFE if needed)
LS Swap AN Fuel Line Install Kit — Return-Style (PTFE AN-6) 3-20 PSI or test linesLS Swap AN Fuel Line Install Kit Return Style (PTFE AN 6) True return style fueling for Gen III IV LS with the regulator built into the fuel rail. This kit gives you PTFE AN 6 hose and matched fittings for both feed and return, plus OEM style quick connects for the rail. Result: steady ~58 PSI at the rail, clean routing, and E85 safe plumbing. Whats in the kit PTFE AN 6 hose choose length (20 30 40 ft) and color. PTFE hose end fittings (8 total) 4
