Product: ICT Billet LS Turbo Oil Supply/Feed Adapter Port M16-1.5 to -4AN Fitting LSX LS1 LS3 LS2 AN816-04-M16
Brand: ICT Billet
Color: Natural
M16-1.5 to -4AN Oil Feed Adapter Compatible with: all GM LS Series Engines  Compatible with all engine block, threaded oil ports  Supplies oil to turbocharger Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum Includes: 1 aluminum adapter, 1 sealing washer 
LS Engine Turbo Oil Supply Fitting
-4AN Flare Outlet
Machined aluminum finish
Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum
See thread chart photo in this listing to identify your fitting size

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